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Finding the Fourth Proportional to 173,875.60, 260,851.20 and 99,031.60

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Solution

The fourth proportional to 173,875.60, 260,851.20 and 99,031.60 is: 148,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,875.60 : 260,851.20 = 99,031.60 : x
  2. Step 2: Convert to fraction form
    173,875.60/260,851.20 = 99,031.60/x
  3. Step 3: Cross multiply
    173,875.60x = 260,851.20 × 99,031.60
  4. Step 4: Simplify right side
    173,875.60x = 25,832,511,697.92
  5. Step 5: Solve for x
    x = 25,832,511,697.92/173,875.60
  6. Step 6: Final answer
    x = 148,568.93

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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.