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Finding the Fourth Proportional to 88,605,655.20, 132,908,482.80 and 28,039,946.40

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Solution

The fourth proportional to 88,605,655.20, 132,908,482.80 and 28,039,946.40 is: 42,059,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,605,655.20 : 132,908,482.80 = 28,039,946.40 : x
  2. Step 2: Convert to fraction form
    88,605,655.20/132,908,482.80 = 28,039,946.40/x
  3. Step 3: Cross multiply
    88,605,655.20x = 132,908,482.80 × 28,039,946.40
  4. Step 4: Simplify right side
    88,605,655.20x = 3,726,746,733,817,321.50
  5. Step 5: Solve for x
    x = 3,726,746,733,817,321.50/88,605,655.20
  6. Step 6: Final answer
    x = 42,059,919.60

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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.