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Finding the Fourth Proportional to 110,902.79, 153,073.06 and 63,184.28

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Solution

The fourth proportional to 110,902.79, 153,073.06 and 63,184.28 is: 87,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,902.79 : 153,073.06 = 63,184.28 : x
  2. Step 2: Convert to fraction form
    110,902.79/153,073.06 = 63,184.28/x
  3. Step 3: Cross multiply
    110,902.79x = 153,073.06 × 63,184.28
  4. Step 4: Simplify right side
    110,902.79x = 9,671,810,160.17
  5. Step 5: Solve for x
    x = 9,671,810,160.17/110,902.79
  6. Step 6: Final answer
    x = 87,209.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.