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Finding the Fourth Proportional to 93,279.62, 128,726.30 and 52,995.58

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Solution

The fourth proportional to 93,279.62, 128,726.30 and 52,995.58 is: 73,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.62 : 128,726.30 = 52,995.58 : x
  2. Step 2: Convert to fraction form
    93,279.62/128,726.30 = 52,995.58/x
  3. Step 3: Cross multiply
    93,279.62x = 128,726.30 × 52,995.58
  4. Step 4: Simplify right side
    93,279.62x = 6,821,924,929.75
  5. Step 5: Solve for x
    x = 6,821,924,929.75/93,279.62
  6. Step 6: Final answer
    x = 73,134.14

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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.