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Finding the Fourth Proportional to 235,411.92, 324,939.60 and 160,004.16

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Solution

The fourth proportional to 235,411.92, 324,939.60 and 160,004.16 is: 220,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,411.92 : 324,939.60 = 160,004.16 : x
  2. Step 2: Convert to fraction form
    235,411.92/324,939.60 = 160,004.16/x
  3. Step 3: Cross multiply
    235,411.92x = 324,939.60 × 160,004.16
  4. Step 4: Simplify right side
    235,411.92x = 51,991,687,748.74
  5. Step 5: Solve for x
    x = 51,991,687,748.74/235,411.92
  6. Step 6: Final answer
    x = 220,854.10

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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.