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Finding the Fourth Proportional to 64,656,301.60, 96,984,452.40 and 57,641,280.40

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Solution

The fourth proportional to 64,656,301.60, 96,984,452.40 and 57,641,280.40 is: 86,461,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656,301.60 : 96,984,452.40 = 57,641,280.40 : x
  2. Step 2: Convert to fraction form
    64,656,301.60/96,984,452.40 = 57,641,280.40/x
  3. Step 3: Cross multiply
    64,656,301.60x = 96,984,452.40 × 57,641,280.40
  4. Step 4: Simplify right side
    64,656,301.60x = 5,590,308,015,228,853
  5. Step 5: Solve for x
    x = 5,590,308,015,228,853/64,656,301.60
  6. Step 6: Final answer
    x = 86,461,920.60

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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.