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Finding the Fourth Proportional to 93,167.88, 128,572.16 and 50,726.28

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Solution

The fourth proportional to 93,167.88, 128,572.16 and 50,726.28 is: 70,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.88 : 128,572.16 = 50,726.28 : x
  2. Step 2: Convert to fraction form
    93,167.88/128,572.16 = 50,726.28/x
  3. Step 3: Cross multiply
    93,167.88x = 128,572.16 × 50,726.28
  4. Step 4: Simplify right side
    93,167.88x = 6,521,987,388.36
  5. Step 5: Solve for x
    x = 6,521,987,388.36/93,167.88
  6. Step 6: Final answer
    x = 70,002.53

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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.