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Finding the Fourth Proportional to 113,897.81, 157,178.98 and 63,596.81

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Solution

The fourth proportional to 113,897.81, 157,178.98 and 63,596.81 is: 87,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,897.81 : 157,178.98 = 63,596.81 : x
  2. Step 2: Convert to fraction form
    113,897.81/157,178.98 = 63,596.81/x
  3. Step 3: Cross multiply
    113,897.81x = 157,178.98 × 63,596.81
  4. Step 4: Simplify right side
    113,897.81x = 9,996,082,199.50
  5. Step 5: Solve for x
    x = 9,996,082,199.50/113,897.81
  6. Step 6: Final answer
    x = 87,763.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.