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Finding the Fourth Proportional to 104,992.32, 144,866.88 and 62,564.88

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Solution

The fourth proportional to 104,992.32, 144,866.88 and 62,564.88 is: 86,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,992.32 : 144,866.88 = 62,564.88 : x
  2. Step 2: Convert to fraction form
    104,992.32/144,866.88 = 62,564.88/x
  3. Step 3: Cross multiply
    104,992.32x = 144,866.88 × 62,564.88
  4. Step 4: Simplify right side
    104,992.32x = 9,063,578,963.17
  5. Step 5: Solve for x
    x = 9,063,578,963.17/104,992.32
  6. Step 6: Final answer
    x = 86,326.11

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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.