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Finding the Fourth Proportional to 123,946.86, 171,048.51 and 67,358.28

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Solution

The fourth proportional to 123,946.86, 171,048.51 and 67,358.28 is: 92,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.86 : 171,048.51 = 67,358.28 : x
  2. Step 2: Convert to fraction form
    123,946.86/171,048.51 = 67,358.28/x
  3. Step 3: Cross multiply
    123,946.86x = 171,048.51 × 67,358.28
  4. Step 4: Simplify right side
    123,946.86x = 11,521,533,430.16
  5. Step 5: Solve for x
    x = 11,521,533,430.16/123,946.86
  6. Step 6: Final answer
    x = 92,955.43

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1.5x scale

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.