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Finding the Fourth Proportional to 181,552.80, 271,681.20 and 115,024.80

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Solution

The fourth proportional to 181,552.80, 271,681.20 and 115,024.80 is: 172,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,552.80 : 271,681.20 = 115,024.80 : x
  2. Step 2: Convert to fraction form
    181,552.80/271,681.20 = 115,024.80/x
  3. Step 3: Cross multiply
    181,552.80x = 271,681.20 × 115,024.80
  4. Step 4: Simplify right side
    181,552.80x = 31,250,075,693.76
  5. Step 5: Solve for x
    x = 31,250,075,693.76/181,552.80
  6. Step 6: Final answer
    x = 172,126.65

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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.