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Finding the Fourth Proportional to 169,811.03, 234,341.65 and 93,337.20

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Solution

The fourth proportional to 169,811.03, 234,341.65 and 93,337.20 is: 128,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,811.03 : 234,341.65 = 93,337.20 : x
  2. Step 2: Convert to fraction form
    169,811.03/234,341.65 = 93,337.20/x
  3. Step 3: Cross multiply
    169,811.03x = 234,341.65 × 93,337.20
  4. Step 4: Simplify right side
    169,811.03x = 21,872,792,225.58
  5. Step 5: Solve for x
    x = 21,872,792,225.58/169,811.03
  6. Step 6: Final answer
    x = 128,806.66

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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.