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Finding the Fourth Proportional to 124,202.70, 171,394.92 and 70,484.52

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Solution

The fourth proportional to 124,202.70, 171,394.92 and 70,484.52 is: 97,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,202.70 : 171,394.92 = 70,484.52 : x
  2. Step 2: Convert to fraction form
    124,202.70/171,394.92 = 70,484.52/x
  3. Step 3: Cross multiply
    124,202.70x = 171,394.92 × 70,484.52
  4. Step 4: Simplify right side
    124,202.70x = 12,080,688,666.64
  5. Step 5: Solve for x
    x = 12,080,688,666.64/124,202.70
  6. Step 6: Final answer
    x = 97,265.91

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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.