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Finding the Fourth Proportional to 235,513.86, 324,870.76 and 148,160.05

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Solution

The fourth proportional to 235,513.86, 324,870.76 and 148,160.05 is: 204,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,513.86 : 324,870.76 = 148,160.05 : x
  2. Step 2: Convert to fraction form
    235,513.86/324,870.76 = 148,160.05/x
  3. Step 3: Cross multiply
    235,513.86x = 324,870.76 × 148,160.05
  4. Step 4: Simplify right side
    235,513.86x = 48,132,868,045.14
  5. Step 5: Solve for x
    x = 48,132,868,045.14/235,513.86
  6. Step 6: Final answer
    x = 204,373.82

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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.