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Finding the Fourth Proportional to 69,409,641.60, 104,114,462.40 and 35,397,417.60

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Solution

The fourth proportional to 69,409,641.60, 104,114,462.40 and 35,397,417.60 is: 53,096,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409,641.60 : 104,114,462.40 = 35,397,417.60 : x
  2. Step 2: Convert to fraction form
    69,409,641.60/104,114,462.40 = 35,397,417.60/x
  3. Step 3: Cross multiply
    69,409,641.60x = 104,114,462.40 × 35,397,417.60
  4. Step 4: Simplify right side
    69,409,641.60x = 3,685,383,103,772,298.50
  5. Step 5: Solve for x
    x = 3,685,383,103,772,298.50/69,409,641.60
  6. Step 6: Final answer
    x = 53,096,126.40

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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.