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Finding the Fourth Proportional to 59,719,223.60, 89,673,313.80 and 45,358,506.80

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Solution

The fourth proportional to 59,719,223.60, 89,673,313.80 and 45,358,506.80 is: 68,109,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,719,223.60 : 89,673,313.80 = 45,358,506.80 : x
  2. Step 2: Convert to fraction form
    59,719,223.60/89,673,313.80 = 45,358,506.80/x
  3. Step 3: Cross multiply
    59,719,223.60x = 89,673,313.80 × 45,358,506.80
  4. Step 4: Simplify right side
    59,719,223.60x = 4,067,447,613,775,833.50
  5. Step 5: Solve for x
    x = 4,067,447,613,775,833.50/59,719,223.60
  6. Step 6: Final answer
    x = 68,109,519.32

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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.