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Finding the Fourth Proportional to 67,068,221.80, 100,602,332.70 and 44,109,970.60

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Solution

The fourth proportional to 67,068,221.80, 100,602,332.70 and 44,109,970.60 is: 66,164,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,221.80 : 100,602,332.70 = 44,109,970.60 : x
  2. Step 2: Convert to fraction form
    67,068,221.80/100,602,332.70 = 44,109,970.60/x
  3. Step 3: Cross multiply
    67,068,221.80x = 100,602,332.70 × 44,109,970.60
  4. Step 4: Simplify right side
    67,068,221.80x = 4,437,565,937,688,419
  5. Step 5: Solve for x
    x = 4,437,565,937,688,419/67,068,221.80
  6. Step 6: Final answer
    x = 66,164,955.90

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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.