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Finding the Fourth Proportional to 201,653,774.70, 302,517,986.85 and 65,343,605.10

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Solution

The fourth proportional to 201,653,774.70, 302,517,986.85 and 65,343,605.10 is: 98,027,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,653,774.70 : 302,517,986.85 = 65,343,605.10 : x
  2. Step 2: Convert to fraction form
    201,653,774.70/302,517,986.85 = 65,343,605.10/x
  3. Step 3: Cross multiply
    201,653,774.70x = 302,517,986.85 × 65,343,605.10
  4. Step 4: Simplify right side
    201,653,774.70x = 19,767,615,868,373,396
  5. Step 5: Solve for x
    x = 19,767,615,868,373,396/201,653,774.70
  6. Step 6: Final answer
    x = 98,027,502.33

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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.