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Finding the Fourth Proportional to 73,275.08, 109,875.66 and 52,203.08

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Solution

The fourth proportional to 73,275.08, 109,875.66 and 52,203.08 is: 78,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,275.08 : 109,875.66 = 52,203.08 : x
  2. Step 2: Convert to fraction form
    73,275.08/109,875.66 = 52,203.08/x
  3. Step 3: Cross multiply
    73,275.08x = 109,875.66 × 52,203.08
  4. Step 4: Simplify right side
    73,275.08x = 5,735,847,869.03
  5. Step 5: Solve for x
    x = 5,735,847,869.03/73,275.08
  6. Step 6: Final answer
    x = 78,278.29

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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.