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Finding the Fourth Proportional to 169,877.06, 234,430.49 and 93,397.45

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Solution

The fourth proportional to 169,877.06, 234,430.49 and 93,397.45 is: 128,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,877.06 : 234,430.49 = 93,397.45 : x
  2. Step 2: Convert to fraction form
    169,877.06/234,430.49 = 93,397.45/x
  3. Step 3: Cross multiply
    169,877.06x = 234,430.49 × 93,397.45
  4. Step 4: Simplify right side
    169,877.06x = 21,895,209,968.25
  5. Step 5: Solve for x
    x = 21,895,209,968.25/169,877.06
  6. Step 6: Final answer
    x = 128,888.56

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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.