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Finding the Fourth Proportional to 98,963,764.80, 148,193,704.80 and 94,428,801.60

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Solution

The fourth proportional to 98,963,764.80, 148,193,704.80 and 94,428,801.60 is: 141,402,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963,764.80 : 148,193,704.80 = 94,428,801.60 : x
  2. Step 2: Convert to fraction form
    98,963,764.80/148,193,704.80 = 94,428,801.60/x
  3. Step 3: Cross multiply
    98,963,764.80x = 148,193,704.80 × 94,428,801.60
  4. Step 4: Simplify right side
    98,963,764.80x = 13,993,753,948,928,168
  5. Step 5: Solve for x
    x = 13,993,753,948,928,168/98,963,764.80
  6. Step 6: Final answer
    x = 141,402,805.13

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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.