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Finding the Fourth Proportional to 69,409,685.60, 104,114,528.40 and 35,397,461.60

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Solution

The fourth proportional to 69,409,685.60, 104,114,528.40 and 35,397,461.60 is: 53,096,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,409,685.60 : 104,114,528.40 = 35,397,461.60 : x
  2. Step 2: Convert to fraction form
    69,409,685.60/104,114,528.40 = 35,397,461.60/x
  3. Step 3: Cross multiply
    69,409,685.60x = 104,114,528.40 × 35,397,461.60
  4. Step 4: Simplify right side
    69,409,685.60x = 3,685,390,021,041,110
  5. Step 5: Solve for x
    x = 3,685,390,021,041,110/69,409,685.60
  6. Step 6: Final answer
    x = 53,096,192.40

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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.