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Finding the Fourth Proportional to 130,041.20, 181,824.40 and 130,041.20

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Solution

The fourth proportional to 130,041.20, 181,824.40 and 130,041.20 is: 181,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.20 : 181,824.40 = 130,041.20 : x
  2. Step 2: Convert to fraction form
    130,041.20/181,824.40 = 130,041.20/x
  3. Step 3: Cross multiply
    130,041.20x = 181,824.40 × 130,041.20
  4. Step 4: Simplify right side
    130,041.20x = 23,644,663,165.28
  5. Step 5: Solve for x
    x = 23,644,663,165.28/130,041.20
  6. Step 6: Final answer
    x = 181,824.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.