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Finding the Fourth Proportional to 234,417.75, 351,621.76 and 56,925.69

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Solution

The fourth proportional to 234,417.75, 351,621.76 and 56,925.69 is: 85,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,417.75 : 351,621.76 = 56,925.69 : x
  2. Step 2: Convert to fraction form
    234,417.75/351,621.76 = 56,925.69/x
  3. Step 3: Cross multiply
    234,417.75x = 351,621.76 × 56,925.69
  4. Step 4: Simplify right side
    234,417.75x = 20,016,311,307.01
  5. Step 5: Solve for x
    x = 20,016,311,307.01/234,417.75
  6. Step 6: Final answer
    x = 85,387.35

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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.