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Finding the Fourth Proportional to 65,171,706.90, 97,813,547.55 and 28,836,014.10

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Solution

The fourth proportional to 65,171,706.90, 97,813,547.55 and 28,836,014.10 is: 43,278,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171,706.90 : 97,813,547.55 = 28,836,014.10 : x
  2. Step 2: Convert to fraction form
    65,171,706.90/97,813,547.55 = 28,836,014.10/x
  3. Step 3: Cross multiply
    65,171,706.90x = 97,813,547.55 × 28,836,014.10
  4. Step 4: Simplify right side
    65,171,706.90x = 2,820,552,836,322,820.50
  5. Step 5: Solve for x
    x = 2,820,552,836,322,820.50/65,171,706.90
  6. Step 6: Final answer
    x = 43,278,793.37

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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.