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Finding the Fourth Proportional to 66,447,009.90, 92,799,065.70 and 66,447,009.90

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Solution

The fourth proportional to 66,447,009.90, 92,799,065.70 and 66,447,009.90 is: 92,799,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447,009.90 : 92,799,065.70 = 66,447,009.90 : x
  2. Step 2: Convert to fraction form
    66,447,009.90/92,799,065.70 = 66,447,009.90/x
  3. Step 3: Cross multiply
    66,447,009.90x = 92,799,065.70 × 66,447,009.90
  4. Step 4: Simplify right side
    66,447,009.90x = 6,166,220,437,278,650
  5. Step 5: Solve for x
    x = 6,166,220,437,278,650/66,447,009.90
  6. Step 6: Final answer
    x = 92,799,065.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.