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Finding the Fourth Proportional to 269,615.60, 372,068.48 and 148,764.40

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Solution

The fourth proportional to 269,615.60, 372,068.48 and 148,764.40 is: 205,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,615.60 : 372,068.48 = 148,764.40 : x
  2. Step 2: Convert to fraction form
    269,615.60/372,068.48 = 148,764.40/x
  3. Step 3: Cross multiply
    269,615.60x = 372,068.48 × 148,764.40
  4. Step 4: Simplify right side
    269,615.60x = 55,350,544,186.11
  5. Step 5: Solve for x
    x = 55,350,544,186.11/269,615.60
  6. Step 6: Final answer
    x = 205,294.29

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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.