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Finding the Fourth Proportional to 169,888.77, 234,420.68 and 93,411

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Solution

The fourth proportional to 169,888.77, 234,420.68 and 93,411 is: 128,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888.77 : 234,420.68 = 93,411 : x
  2. Step 2: Convert to fraction form
    169,888.77/234,420.68 = 93,411/x
  3. Step 3: Cross multiply
    169,888.77x = 234,420.68 × 93,411
  4. Step 4: Simplify right side
    169,888.77x = 21,897,470,373.01
  5. Step 5: Solve for x
    x = 21,897,470,373.01/169,888.77
  6. Step 6: Final answer
    x = 128,892.98

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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.