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Finding the Fourth Proportional to 561,752.95, 842,635.58 and 162,397.18

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Solution

The fourth proportional to 561,752.95, 842,635.58 and 162,397.18 is: 243,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,752.95 : 842,635.58 = 162,397.18 : x
  2. Step 2: Convert to fraction form
    561,752.95/842,635.58 = 162,397.18/x
  3. Step 3: Cross multiply
    561,752.95x = 842,635.58 × 162,397.18
  4. Step 4: Simplify right side
    561,752.95x = 136,841,645,179.88
  5. Step 5: Solve for x
    x = 136,841,645,179.88/561,752.95
  6. Step 6: Final answer
    x = 243,597.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.