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Finding the Fourth Proportional to 91,034,729.40, 136,552,094.10 and 91,034,729.40

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Solution

The fourth proportional to 91,034,729.40, 136,552,094.10 and 91,034,729.40 is: 136,552,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034,729.40 : 136,552,094.10 = 91,034,729.40 : x
  2. Step 2: Convert to fraction form
    91,034,729.40/136,552,094.10 = 91,034,729.40/x
  3. Step 3: Cross multiply
    91,034,729.40x = 136,552,094.10 × 91,034,729.40
  4. Step 4: Simplify right side
    91,034,729.40x = 12,430,982,935,396,836
  5. Step 5: Solve for x
    x = 12,430,982,935,396,836/91,034,729.40
  6. Step 6: Final answer
    x = 136,552,094.10

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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.