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Finding the Fourth Proportional to 177,851.40, 266,752.80 and 53,192.40

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Solution

The fourth proportional to 177,851.40, 266,752.80 and 53,192.40 is: 79,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.40 : 266,752.80 = 53,192.40 : x
  2. Step 2: Convert to fraction form
    177,851.40/266,752.80 = 53,192.40/x
  3. Step 3: Cross multiply
    177,851.40x = 266,752.80 × 53,192.40
  4. Step 4: Simplify right side
    177,851.40x = 14,189,221,638.72
  5. Step 5: Solve for x
    x = 14,189,221,638.72/177,851.40
  6. Step 6: Final answer
    x = 79,781.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.