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Finding the Fourth Proportional to 87,130.69, 130,697.65 and 24,802.81

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Solution

The fourth proportional to 87,130.69, 130,697.65 and 24,802.81 is: 37,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,130.69 : 130,697.65 = 24,802.81 : x
  2. Step 2: Convert to fraction form
    87,130.69/130,697.65 = 24,802.81/x
  3. Step 3: Cross multiply
    87,130.69x = 130,697.65 × 24,802.81
  4. Step 4: Simplify right side
    87,130.69x = 3,241,668,684.66
  5. Step 5: Solve for x
    x = 3,241,668,684.66/87,130.69
  6. Step 6: Final answer
    x = 37,204.67

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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.