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Finding the Fourth Proportional to 178,073.16, 245,740.91 and 97,500.66

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Solution

The fourth proportional to 178,073.16, 245,740.91 and 97,500.66 is: 134,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,073.16 : 245,740.91 = 97,500.66 : x
  2. Step 2: Convert to fraction form
    178,073.16/245,740.91 = 97,500.66/x
  3. Step 3: Cross multiply
    178,073.16x = 245,740.91 × 97,500.66
  4. Step 4: Simplify right side
    178,073.16x = 23,959,900,914.00
  5. Step 5: Solve for x
    x = 23,959,900,914.00/178,073.16
  6. Step 6: Final answer
    x = 134,550.88

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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.