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Finding the Fourth Proportional to 235,359.52, 324,798.10 and 127,929.53

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Solution

The fourth proportional to 235,359.52, 324,798.10 and 127,929.53 is: 176,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,359.52 : 324,798.10 = 127,929.53 : x
  2. Step 2: Convert to fraction form
    235,359.52/324,798.10 = 127,929.53/x
  3. Step 3: Cross multiply
    235,359.52x = 324,798.10 × 127,929.53
  4. Step 4: Simplify right side
    235,359.52x = 41,551,268,770.06
  5. Step 5: Solve for x
    x = 41,551,268,770.06/235,359.52
  6. Step 6: Final answer
    x = 176,543.82

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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.