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Finding the Fourth Proportional to 44,222.40, 66,218.40 and 42,148.80

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Solution

The fourth proportional to 44,222.40, 66,218.40 and 42,148.80 is: 63,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,222.40 : 66,218.40 = 42,148.80 : x
  2. Step 2: Convert to fraction form
    44,222.40/66,218.40 = 42,148.80/x
  3. Step 3: Cross multiply
    44,222.40x = 66,218.40 × 42,148.80
  4. Step 4: Simplify right side
    44,222.40x = 2,791,026,097.92
  5. Step 5: Solve for x
    x = 2,791,026,097.92/44,222.40
  6. Step 6: Final answer
    x = 63,113.40

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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.