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Finding the Fourth Proportional to 239,049.60, 358,574.64 and 61,557

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Solution

The fourth proportional to 239,049.60, 358,574.64 and 61,557 is: 92,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,049.60 : 358,574.64 = 61,557 : x
  2. Step 2: Convert to fraction form
    239,049.60/358,574.64 = 61,557/x
  3. Step 3: Cross multiply
    239,049.60x = 358,574.64 × 61,557
  4. Step 4: Simplify right side
    239,049.60x = 22,072,779,114.48
  5. Step 5: Solve for x
    x = 22,072,779,114.48/239,049.60
  6. Step 6: Final answer
    x = 92,335.56

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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.