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Finding the Fourth Proportional to 261,542.92, 360,925.86 and 154,117.48

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Solution

The fourth proportional to 261,542.92, 360,925.86 and 154,117.48 is: 212,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,542.92 : 360,925.86 = 154,117.48 : x
  2. Step 2: Convert to fraction form
    261,542.92/360,925.86 = 154,117.48/x
  3. Step 3: Cross multiply
    261,542.92x = 360,925.86 × 154,117.48
  4. Step 4: Simplify right side
    261,542.92x = 55,624,984,010.03
  5. Step 5: Solve for x
    x = 55,624,984,010.03/261,542.92
  6. Step 6: Final answer
    x = 212,680.14

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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.