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Finding the Fourth Proportional to 65,139,701.80, 97,709,552.70 and 22,589,429.80

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Solution

The fourth proportional to 65,139,701.80, 97,709,552.70 and 22,589,429.80 is: 33,884,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,139,701.80 : 97,709,552.70 = 22,589,429.80 : x
  2. Step 2: Convert to fraction form
    65,139,701.80/97,709,552.70 = 22,589,429.80/x
  3. Step 3: Cross multiply
    65,139,701.80x = 97,709,552.70 × 22,589,429.80
  4. Step 4: Simplify right side
    65,139,701.80x = 2,207,203,081,506,050.50
  5. Step 5: Solve for x
    x = 2,207,203,081,506,050.50/65,139,701.80
  6. Step 6: Final answer
    x = 33,884,144.70

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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.