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Finding the Fourth Proportional to 55,780,302.90, 83,670,454.35 and 55,780,302.90

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Solution

The fourth proportional to 55,780,302.90, 83,670,454.35 and 55,780,302.90 is: 83,670,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780,302.90 : 83,670,454.35 = 55,780,302.90 : x
  2. Step 2: Convert to fraction form
    55,780,302.90/83,670,454.35 = 55,780,302.90/x
  3. Step 3: Cross multiply
    55,780,302.90x = 83,670,454.35 × 55,780,302.90
  4. Step 4: Simplify right side
    55,780,302.90x = 4,667,163,287,423,622
  5. Step 5: Solve for x
    x = 4,667,163,287,423,622/55,780,302.90
  6. Step 6: Final answer
    x = 83,670,454.35

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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.