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Finding the Fourth Proportional to 98,957.77, 136,511.52 and 62,597.95

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Solution

The fourth proportional to 98,957.77, 136,511.52 and 62,597.95 is: 86,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,957.77 : 136,511.52 = 62,597.95 : x
  2. Step 2: Convert to fraction form
    98,957.77/136,511.52 = 62,597.95/x
  3. Step 3: Cross multiply
    98,957.77x = 136,511.52 × 62,597.95
  4. Step 4: Simplify right side
    98,957.77x = 8,545,341,303.38
  5. Step 5: Solve for x
    x = 8,545,341,303.38/98,957.77
  6. Step 6: Final answer
    x = 86,353.41

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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.