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Finding the Fourth Proportional to 114,086.40, 157,445.13 and 65,695.51

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Solution

The fourth proportional to 114,086.40, 157,445.13 and 65,695.51 is: 90,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,086.40 : 157,445.13 = 65,695.51 : x
  2. Step 2: Convert to fraction form
    114,086.40/157,445.13 = 65,695.51/x
  3. Step 3: Cross multiply
    114,086.40x = 157,445.13 × 65,695.51
  4. Step 4: Simplify right side
    114,086.40x = 10,343,438,112.37
  5. Step 5: Solve for x
    x = 10,343,438,112.37/114,086.40
  6. Step 6: Final answer
    x = 90,663.20

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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.