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Finding the Fourth Proportional to 61,859.60, 93,252.95 and 57,740.00

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Solution

The fourth proportional to 61,859.60, 93,252.95 and 57,740.00 is: 87,042.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.60 : 93,252.95 = 57,740.00 : x
  2. Step 2: Convert to fraction form
    61,859.60/93,252.95 = 57,740.00/x
  3. Step 3: Cross multiply
    61,859.60x = 93,252.95 × 57,740.00
  4. Step 4: Simplify right side
    61,859.60x = 5,384,425,011.09
  5. Step 5: Solve for x
    x = 5,384,425,011.09/61,859.60
  6. Step 6: Final answer
    x = 87,042.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.