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Finding the Fourth Proportional to 165,432.55, 228,114.55 and 114,356.61

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Solution

The fourth proportional to 165,432.55, 228,114.55 and 114,356.61 is: 157,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,432.55 : 228,114.55 = 114,356.61 : x
  2. Step 2: Convert to fraction form
    165,432.55/228,114.55 = 114,356.61/x
  3. Step 3: Cross multiply
    165,432.55x = 228,114.55 × 114,356.61
  4. Step 4: Simplify right side
    165,432.55x = 26,086,406,629.68
  5. Step 5: Solve for x
    x = 26,086,406,629.68/165,432.55
  6. Step 6: Final answer
    x = 157,686.06

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1.5x scale

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.