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Finding the Fourth Proportional to 163,069.90, 227,831.30 and 163,069.90

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Solution

The fourth proportional to 163,069.90, 227,831.30 and 163,069.90 is: 227,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,069.90 : 227,831.30 = 163,069.90 : x
  2. Step 2: Convert to fraction form
    163,069.90/227,831.30 = 163,069.90/x
  3. Step 3: Cross multiply
    163,069.90x = 227,831.30 × 163,069.90
  4. Step 4: Simplify right side
    163,069.90x = 37,152,427,307.87
  5. Step 5: Solve for x
    x = 37,152,427,307.87/163,069.90
  6. Step 6: Final answer
    x = 227,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.