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Finding the Fourth Proportional to 163,071.60, 244,631.76 and 57,881.76

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Solution

The fourth proportional to 163,071.60, 244,631.76 and 57,881.76 is: 86,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,071.60 : 244,631.76 = 57,881.76 : x
  2. Step 2: Convert to fraction form
    163,071.60/244,631.76 = 57,881.76/x
  3. Step 3: Cross multiply
    163,071.60x = 244,631.76 × 57,881.76
  4. Step 4: Simplify right side
    163,071.60x = 14,159,716,820.70
  5. Step 5: Solve for x
    x = 14,159,716,820.70/163,071.60
  6. Step 6: Final answer
    x = 86,831.29

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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.