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Finding the Fourth Proportional to 201,875.64, 302,848.98 and 83,480.64

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Solution

The fourth proportional to 201,875.64, 302,848.98 and 83,480.64 is: 125,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,875.64 : 302,848.98 = 83,480.64 : x
  2. Step 2: Convert to fraction form
    201,875.64/302,848.98 = 83,480.64/x
  3. Step 3: Cross multiply
    201,875.64x = 302,848.98 × 83,480.64
  4. Step 4: Simplify right side
    201,875.64x = 25,282,026,673.75
  5. Step 5: Solve for x
    x = 25,282,026,673.75/201,875.64
  6. Step 6: Final answer
    x = 125,235.65

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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.