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Finding the Fourth Proportional to 181,420.60, 272,130.90 and 82,924.60

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Solution

The fourth proportional to 181,420.60, 272,130.90 and 82,924.60 is: 124,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.60 : 272,130.90 = 82,924.60 : x
  2. Step 2: Convert to fraction form
    181,420.60/272,130.90 = 82,924.60/x
  3. Step 3: Cross multiply
    181,420.60x = 272,130.90 × 82,924.60
  4. Step 4: Simplify right side
    181,420.60x = 22,566,346,030.14
  5. Step 5: Solve for x
    x = 22,566,346,030.14/181,420.60
  6. Step 6: Final answer
    x = 124,386.90

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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.