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Finding the Fourth Proportional to 42,402,281.35, 63,603,422.03 and 42,402,281.35

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Solution

The fourth proportional to 42,402,281.35, 63,603,422.03 and 42,402,281.35 is: 63,603,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,402,281.35 : 63,603,422.03 = 42,402,281.35 : x
  2. Step 2: Convert to fraction form
    42,402,281.35/63,603,422.03 = 42,402,281.35/x
  3. Step 3: Cross multiply
    42,402,281.35x = 63,603,422.03 × 42,402,281.35
  4. Step 4: Simplify right side
    42,402,281.35x = 2,696,930,195,526,837
  5. Step 5: Solve for x
    x = 2,696,930,195,526,837/42,402,281.35
  6. Step 6: Final answer
    x = 63,603,422.03

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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.