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Finding the Fourth Proportional to 65,956,405.68, 98,905,740.12 and 27,068,189.04

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Solution

The fourth proportional to 65,956,405.68, 98,905,740.12 and 27,068,189.04 is: 40,590,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956,405.68 : 98,905,740.12 = 27,068,189.04 : x
  2. Step 2: Convert to fraction form
    65,956,405.68/98,905,740.12 = 27,068,189.04/x
  3. Step 3: Cross multiply
    65,956,405.68x = 98,905,740.12 × 27,068,189.04
  4. Step 4: Simplify right side
    65,956,405.68x = 2,677,199,270,709,272.50
  5. Step 5: Solve for x
    x = 2,677,199,270,709,272.50/65,956,405.68
  6. Step 6: Final answer
    x = 40,590,436.11

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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.