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Finding the Fourth Proportional to 160,614.18, 221,641.59 and 92,634

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Solution

The fourth proportional to 160,614.18, 221,641.59 and 92,634 is: 127,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,614.18 : 221,641.59 = 92,634 : x
  2. Step 2: Convert to fraction form
    160,614.18/221,641.59 = 92,634/x
  3. Step 3: Cross multiply
    160,614.18x = 221,641.59 × 92,634
  4. Step 4: Simplify right side
    160,614.18x = 20,531,547,048.06
  5. Step 5: Solve for x
    x = 20,531,547,048.06/160,614.18
  6. Step 6: Final answer
    x = 127,831.47

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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.