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Finding the Fourth Proportional to 61,509,931.90, 92,264,897.85 and 61,509,931.90

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Solution

The fourth proportional to 61,509,931.90, 92,264,897.85 and 61,509,931.90 is: 92,264,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,509,931.90 : 92,264,897.85 = 61,509,931.90 : x
  2. Step 2: Convert to fraction form
    61,509,931.90/92,264,897.85 = 61,509,931.90/x
  3. Step 3: Cross multiply
    61,509,931.90x = 92,264,897.85 × 61,509,931.90
  4. Step 4: Simplify right side
    61,509,931.90x = 5,675,207,583,513,956
  5. Step 5: Solve for x
    x = 5,675,207,583,513,956/61,509,931.90
  6. Step 6: Final answer
    x = 92,264,897.85

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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.