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Finding the Fourth Proportional to 167,492.80, 231,139.02 and 91,011.52

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Solution

The fourth proportional to 167,492.80, 231,139.02 and 91,011.52 is: 125,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,492.80 : 231,139.02 = 91,011.52 : x
  2. Step 2: Convert to fraction form
    167,492.80/231,139.02 = 91,011.52/x
  3. Step 3: Cross multiply
    167,492.80x = 231,139.02 × 91,011.52
  4. Step 4: Simplify right side
    167,492.80x = 21,036,313,541.51
  5. Step 5: Solve for x
    x = 21,036,313,541.51/167,492.80
  6. Step 6: Final answer
    x = 125,595.33

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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.