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Finding the Fourth Proportional to 167,315.04, 230,879.40 and 99,320.40

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Solution

The fourth proportional to 167,315.04, 230,879.40 and 99,320.40 is: 137,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,315.04 : 230,879.40 = 99,320.40 : x
  2. Step 2: Convert to fraction form
    167,315.04/230,879.40 = 99,320.40/x
  3. Step 3: Cross multiply
    167,315.04x = 230,879.40 × 99,320.40
  4. Step 4: Simplify right side
    167,315.04x = 22,931,034,359.76
  5. Step 5: Solve for x
    x = 22,931,034,359.76/167,315.04
  6. Step 6: Final answer
    x = 137,053.04

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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.