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Finding the Fourth Proportional to 112,133.16, 154,736.73 and 64,352.88

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Solution

The fourth proportional to 112,133.16, 154,736.73 and 64,352.88 is: 88,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,133.16 : 154,736.73 = 64,352.88 : x
  2. Step 2: Convert to fraction form
    112,133.16/154,736.73 = 64,352.88/x
  3. Step 3: Cross multiply
    112,133.16x = 154,736.73 × 64,352.88
  4. Step 4: Simplify right side
    112,133.16x = 9,957,754,217.28
  5. Step 5: Solve for x
    x = 9,957,754,217.28/112,133.16
  6. Step 6: Final answer
    x = 88,802.94

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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.