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Finding the Fourth Proportional to 52,773,364.80, 79,157,422.80 and 27,216,957.60

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Solution

The fourth proportional to 52,773,364.80, 79,157,422.80 and 27,216,957.60 is: 40,824,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,773,364.80 : 79,157,422.80 = 27,216,957.60 : x
  2. Step 2: Convert to fraction form
    52,773,364.80/79,157,422.80 = 27,216,957.60/x
  3. Step 3: Cross multiply
    52,773,364.80x = 79,157,422.80 × 27,216,957.60
  4. Step 4: Simplify right side
    52,773,364.80x = 2,154,424,220,072,873.25
  5. Step 5: Solve for x
    x = 2,154,424,220,072,873.25/52,773,364.80
  6. Step 6: Final answer
    x = 40,824,082.91

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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.