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Finding the Fourth Proportional to 109,041.60, 163,562.40 and 101,168.40

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Solution

The fourth proportional to 109,041.60, 163,562.40 and 101,168.40 is: 151,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.60 : 163,562.40 = 101,168.40 : x
  2. Step 2: Convert to fraction form
    109,041.60/163,562.40 = 101,168.40/x
  3. Step 3: Cross multiply
    109,041.60x = 163,562.40 × 101,168.40
  4. Step 4: Simplify right side
    109,041.60x = 16,547,346,308.16
  5. Step 5: Solve for x
    x = 16,547,346,308.16/109,041.60
  6. Step 6: Final answer
    x = 151,752.60

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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.