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Finding the Fourth Proportional to 66,429,114.60, 99,643,671.90 and 23,346,964.20

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Solution

The fourth proportional to 66,429,114.60, 99,643,671.90 and 23,346,964.20 is: 35,020,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,114.60 : 99,643,671.90 = 23,346,964.20 : x
  2. Step 2: Convert to fraction form
    66,429,114.60/99,643,671.90 = 23,346,964.20/x
  3. Step 3: Cross multiply
    66,429,114.60x = 99,643,671.90 × 23,346,964.20
  4. Step 4: Simplify right side
    66,429,114.60x = 2,326,377,240,605,846
  5. Step 5: Solve for x
    x = 2,326,377,240,605,846/66,429,114.60
  6. Step 6: Final answer
    x = 35,020,446.30

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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.