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Finding the Fourth Proportional to 181,052.55, 249,840.88 and 113,065.44

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Solution

The fourth proportional to 181,052.55, 249,840.88 and 113,065.44 is: 156,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,052.55 : 249,840.88 = 113,065.44 : x
  2. Step 2: Convert to fraction form
    181,052.55/249,840.88 = 113,065.44/x
  3. Step 3: Cross multiply
    181,052.55x = 249,840.88 × 113,065.44
  4. Step 4: Simplify right side
    181,052.55x = 28,248,368,461.86
  5. Step 5: Solve for x
    x = 28,248,368,461.86/181,052.55
  6. Step 6: Final answer
    x = 156,023.04

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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.