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Finding the Fourth Proportional to 97,342.50, 134,210.95 and 81,233.02

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Solution

The fourth proportional to 97,342.50, 134,210.95 and 81,233.02 is: 112,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.50 : 134,210.95 = 81,233.02 : x
  2. Step 2: Convert to fraction form
    97,342.50/134,210.95 = 81,233.02/x
  3. Step 3: Cross multiply
    97,342.50x = 134,210.95 × 81,233.02
  4. Step 4: Simplify right side
    97,342.50x = 10,902,360,246.96
  5. Step 5: Solve for x
    x = 10,902,360,246.96/97,342.50
  6. Step 6: Final answer
    x = 112,000.00

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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.