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Finding the Fourth Proportional to 114,720.30, 158,315.88 and 63,736.32

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Solution

The fourth proportional to 114,720.30, 158,315.88 and 63,736.32 is: 87,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,720.30 : 158,315.88 = 63,736.32 : x
  2. Step 2: Convert to fraction form
    114,720.30/158,315.88 = 63,736.32/x
  3. Step 3: Cross multiply
    114,720.30x = 158,315.88 × 63,736.32
  4. Step 4: Simplify right side
    114,720.30x = 10,090,471,588.76
  5. Step 5: Solve for x
    x = 10,090,471,588.76/114,720.30
  6. Step 6: Final answer
    x = 87,957.16

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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.