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Finding the Fourth Proportional to 201,686,187.60, 302,529,281.40 and 201,686,187.60

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Solution

The fourth proportional to 201,686,187.60, 302,529,281.40 and 201,686,187.60 is: 302,529,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,686,187.60 : 302,529,281.40 = 201,686,187.60 : x
  2. Step 2: Convert to fraction form
    201,686,187.60/302,529,281.40 = 201,686,187.60/x
  3. Step 3: Cross multiply
    201,686,187.60x = 302,529,281.40 × 201,686,187.60
  4. Step 4: Simplify right side
    201,686,187.60x = 61,015,977,402,933,584
  5. Step 5: Solve for x
    x = 61,015,977,402,933,584/201,686,187.60
  6. Step 6: Final answer
    x = 302,529,281.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.