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Finding the Fourth Proportional to 55,191,454.28, 82,607,820.08 and 55,191,454.28

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Solution

The fourth proportional to 55,191,454.28, 82,607,820.08 and 55,191,454.28 is: 82,607,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191,454.28 : 82,607,820.08 = 55,191,454.28 : x
  2. Step 2: Convert to fraction form
    55,191,454.28/82,607,820.08 = 55,191,454.28/x
  3. Step 3: Cross multiply
    55,191,454.28x = 82,607,820.08 × 55,191,454.28
  4. Step 4: Simplify right side
    55,191,454.28x = 4,559,245,724,426,790
  5. Step 5: Solve for x
    x = 4,559,245,724,426,790/55,191,454.28
  6. Step 6: Final answer
    x = 82,607,820.08

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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.