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Finding the Fourth Proportional to 160,762.59, 221,841.54 and 89,139.96

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Solution

The fourth proportional to 160,762.59, 221,841.54 and 89,139.96 is: 123,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,762.59 : 221,841.54 = 89,139.96 : x
  2. Step 2: Convert to fraction form
    160,762.59/221,841.54 = 89,139.96/x
  3. Step 3: Cross multiply
    160,762.59x = 221,841.54 × 89,139.96
  4. Step 4: Simplify right side
    160,762.59x = 19,774,946,001.94
  5. Step 5: Solve for x
    x = 19,774,946,001.94/160,762.59
  6. Step 6: Final answer
    x = 123,007.14

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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.