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Finding the Fourth Proportional to 158,436.60, 237,693.60 and 51,826.74

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Solution

The fourth proportional to 158,436.60, 237,693.60 and 51,826.74 is: 77,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,436.60 : 237,693.60 = 51,826.74 : x
  2. Step 2: Convert to fraction form
    158,436.60/237,693.60 = 51,826.74/x
  3. Step 3: Cross multiply
    158,436.60x = 237,693.60 × 51,826.74
  4. Step 4: Simplify right side
    158,436.60x = 12,318,884,406.86
  5. Step 5: Solve for x
    x = 12,318,884,406.86/158,436.60
  6. Step 6: Final answer
    x = 77,752.77

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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.