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Finding the Fourth Proportional to 59,698,365.60, 89,569,666.80 and 57,486,525.60

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Solution

The fourth proportional to 59,698,365.60, 89,569,666.80 and 57,486,525.60 is: 86,251,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,698,365.60 : 89,569,666.80 = 57,486,525.60 : x
  2. Step 2: Convert to fraction form
    59,698,365.60/89,569,666.80 = 57,486,525.60/x
  3. Step 3: Cross multiply
    59,698,365.60x = 89,569,666.80 × 57,486,525.60
  4. Step 4: Simplify right side
    59,698,365.60x = 5,149,048,943,481,670
  5. Step 5: Solve for x
    x = 5,149,048,943,481,670/59,698,365.60
  6. Step 6: Final answer
    x = 86,251,087.31

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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.