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Finding the Fourth Proportional to 156,854.61, 234,700.47 and 93,709.08

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Solution

The fourth proportional to 156,854.61, 234,700.47 and 93,709.08 is: 140,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,854.61 : 234,700.47 = 93,709.08 : x
  2. Step 2: Convert to fraction form
    156,854.61/234,700.47 = 93,709.08/x
  3. Step 3: Cross multiply
    156,854.61x = 234,700.47 × 93,709.08
  4. Step 4: Simplify right side
    156,854.61x = 21,993,565,119.27
  5. Step 5: Solve for x
    x = 21,993,565,119.27/156,854.61
  6. Step 6: Final answer
    x = 140,216.25

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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.