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Finding the Fourth Proportional to 65,765,672.15, 92,223,106.45 and 65,765,672.15

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Solution

The fourth proportional to 65,765,672.15, 92,223,106.45 and 65,765,672.15 is: 92,223,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,765,672.15 : 92,223,106.45 = 65,765,672.15 : x
  2. Step 2: Convert to fraction form
    65,765,672.15/92,223,106.45 = 65,765,672.15/x
  3. Step 3: Cross multiply
    65,765,672.15x = 92,223,106.45 × 65,765,672.15
  4. Step 4: Simplify right side
    65,765,672.15x = 6,065,114,583,445,250
  5. Step 5: Solve for x
    x = 6,065,114,583,445,250/65,765,672.15
  6. Step 6: Final answer
    x = 92,223,106.45

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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.