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Finding the Fourth Proportional to 157,116.01, 216,782.28 and 92,587.88

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Solution

The fourth proportional to 157,116.01, 216,782.28 and 92,587.88 is: 127,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,116.01 : 216,782.28 = 92,587.88 : x
  2. Step 2: Convert to fraction form
    157,116.01/216,782.28 = 92,587.88/x
  3. Step 3: Cross multiply
    157,116.01x = 216,782.28 × 92,587.88
  4. Step 4: Simplify right side
    157,116.01x = 20,071,412,615.93
  5. Step 5: Solve for x
    x = 20,071,412,615.93/157,116.01
  6. Step 6: Final answer
    x = 127,749.00

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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.