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Finding the Fourth Proportional to 113,847.68, 170,820.80 and 47,302.40

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Solution

The fourth proportional to 113,847.68, 170,820.80 and 47,302.40 is: 70,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,847.68 : 170,820.80 = 47,302.40 : x
  2. Step 2: Convert to fraction form
    113,847.68/170,820.80 = 47,302.40/x
  3. Step 3: Cross multiply
    113,847.68x = 170,820.80 × 47,302.40
  4. Step 4: Simplify right side
    113,847.68x = 8,080,233,809.92
  5. Step 5: Solve for x
    x = 8,080,233,809.92/113,847.68
  6. Step 6: Final answer
    x = 70,974.08

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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.