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Finding the Fourth Proportional to 66,065,720.40, 99,098,580.60 and 66,065,720.40

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Solution

The fourth proportional to 66,065,720.40, 99,098,580.60 and 66,065,720.40 is: 99,098,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,720.40 : 99,098,580.60 = 66,065,720.40 : x
  2. Step 2: Convert to fraction form
    66,065,720.40/99,098,580.60 = 66,065,720.40/x
  3. Step 3: Cross multiply
    66,065,720.40x = 99,098,580.60 × 66,065,720.40
  4. Step 4: Simplify right side
    66,065,720.40x = 6,547,019,117,956,464
  5. Step 5: Solve for x
    x = 6,547,019,117,956,464/66,065,720.40
  6. Step 6: Final answer
    x = 99,098,580.60

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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.