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Finding the Fourth Proportional to 104,838.71, 144,677.95 and 62,398.76

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Solution

The fourth proportional to 104,838.71, 144,677.95 and 62,398.76 is: 86,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,838.71 : 144,677.95 = 62,398.76 : x
  2. Step 2: Convert to fraction form
    104,838.71/144,677.95 = 62,398.76/x
  3. Step 3: Cross multiply
    104,838.71x = 144,677.95 × 62,398.76
  4. Step 4: Simplify right side
    104,838.71x = 9,027,723,799.96
  5. Step 5: Solve for x
    x = 9,027,723,799.96/104,838.71
  6. Step 6: Final answer
    x = 86,110.60

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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.