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Finding the Fourth Proportional to 99,645,368.55, 149,468,052.83 and 99,645,368.55

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Solution

The fourth proportional to 99,645,368.55, 149,468,052.83 and 99,645,368.55 is: 149,468,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,368.55 : 149,468,052.83 = 99,645,368.55 : x
  2. Step 2: Convert to fraction form
    99,645,368.55/149,468,052.83 = 99,645,368.55/x
  3. Step 3: Cross multiply
    99,645,368.55x = 149,468,052.83 × 99,645,368.55
  4. Step 4: Simplify right side
    99,645,368.55x = 14,893,799,210,197,992
  5. Step 5: Solve for x
    x = 14,893,799,210,197,992/99,645,368.55
  6. Step 6: Final answer
    x = 149,468,052.83

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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.