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Finding the Fourth Proportional to 269,805.47, 372,332.10 and 148,946.92

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Solution

The fourth proportional to 269,805.47, 372,332.10 and 148,946.92 is: 205,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,805.47 : 372,332.10 = 148,946.92 : x
  2. Step 2: Convert to fraction form
    269,805.47/372,332.10 = 148,946.92/x
  3. Step 3: Cross multiply
    269,805.47x = 372,332.10 × 148,946.92
  4. Step 4: Simplify right side
    269,805.47x = 55,457,720,442.96
  5. Step 5: Solve for x
    x = 55,457,720,442.96/269,805.47
  6. Step 6: Final answer
    x = 205,547.06

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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.