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Finding the Fourth Proportional to 265,056.48, 365,657.40 and 157,565.52

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Solution

The fourth proportional to 265,056.48, 365,657.40 and 157,565.52 is: 217,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,056.48 : 365,657.40 = 157,565.52 : x
  2. Step 2: Convert to fraction form
    265,056.48/365,657.40 = 157,565.52/x
  3. Step 3: Cross multiply
    265,056.48x = 365,657.40 × 157,565.52
  4. Step 4: Simplify right side
    265,056.48x = 57,614,998,372.85
  5. Step 5: Solve for x
    x = 57,614,998,372.85/265,056.48
  6. Step 6: Final answer
    x = 217,368.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.