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Finding the Fourth Proportional to 64,656,053.60, 96,984,080.40 and 57,641,032.40

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Solution

The fourth proportional to 64,656,053.60, 96,984,080.40 and 57,641,032.40 is: 86,461,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,656,053.60 : 96,984,080.40 = 57,641,032.40 : x
  2. Step 2: Convert to fraction form
    64,656,053.60/96,984,080.40 = 57,641,032.40/x
  3. Step 3: Cross multiply
    64,656,053.60x = 96,984,080.40 × 57,641,032.40
  4. Step 4: Simplify right side
    64,656,053.60x = 5,590,262,520,620,605
  5. Step 5: Solve for x
    x = 5,590,262,520,620,605/64,656,053.60
  6. Step 6: Final answer
    x = 86,461,548.60

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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.