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Finding the Fourth Proportional to 114,305.58, 157,742.97 and 63,319.10

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Solution

The fourth proportional to 114,305.58, 157,742.97 and 63,319.10 is: 87,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,305.58 : 157,742.97 = 63,319.10 : x
  2. Step 2: Convert to fraction form
    114,305.58/157,742.97 = 63,319.10/x
  3. Step 3: Cross multiply
    114,305.58x = 157,742.97 × 63,319.10
  4. Step 4: Simplify right side
    114,305.58x = 9,988,142,103.01
  5. Step 5: Solve for x
    x = 9,988,142,103.01/114,305.58
  6. Step 6: Final answer
    x = 87,381.05

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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.