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Finding the Fourth Proportional to 111,567.06, 167,350.62 and 28,461.06

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Solution

The fourth proportional to 111,567.06, 167,350.62 and 28,461.06 is: 42,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,567.06 : 167,350.62 = 28,461.06 : x
  2. Step 2: Convert to fraction form
    111,567.06/167,350.62 = 28,461.06/x
  3. Step 3: Cross multiply
    111,567.06x = 167,350.62 × 28,461.06
  4. Step 4: Simplify right side
    111,567.06x = 4,762,976,036.86
  5. Step 5: Solve for x
    x = 4,762,976,036.86/111,567.06
  6. Step 6: Final answer
    x = 42,691.60

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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.