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Finding the Fourth Proportional to 67,370,133.60, 100,866,243.60 and 65,480,565.60

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Solution

The fourth proportional to 67,370,133.60, 100,866,243.60 and 65,480,565.60 is: 98,037,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370,133.60 : 100,866,243.60 = 65,480,565.60 : x
  2. Step 2: Convert to fraction form
    67,370,133.60/100,866,243.60 = 65,480,565.60/x
  3. Step 3: Cross multiply
    67,370,133.60x = 100,866,243.60 × 65,480,565.60
  4. Step 4: Simplify right side
    67,370,133.60x = 6,604,778,680,875,380
  5. Step 5: Solve for x
    x = 6,604,778,680,875,380/67,370,133.60
  6. Step 6: Final answer
    x = 98,037,191.38

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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.