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Finding the Fourth Proportional to 47,888,675.40, 71,833,013.10 and 47,888,675.40

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Solution

The fourth proportional to 47,888,675.40, 71,833,013.10 and 47,888,675.40 is: 71,833,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888,675.40 : 71,833,013.10 = 47,888,675.40 : x
  2. Step 2: Convert to fraction form
    47,888,675.40/71,833,013.10 = 47,888,675.40/x
  3. Step 3: Cross multiply
    47,888,675.40x = 71,833,013.10 × 47,888,675.40
  4. Step 4: Simplify right side
    47,888,675.40x = 3,439,987,847,349,847.50
  5. Step 5: Solve for x
    x = 3,439,987,847,349,847.50/47,888,675.40
  6. Step 6: Final answer
    x = 71,833,013.10

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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.