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Finding the Fourth Proportional to 167,897.61, 231,628.01 and 111,210.57

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Solution

The fourth proportional to 167,897.61, 231,628.01 and 111,210.57 is: 153,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,897.61 : 231,628.01 = 111,210.57 : x
  2. Step 2: Convert to fraction form
    167,897.61/231,628.01 = 111,210.57/x
  3. Step 3: Cross multiply
    167,897.61x = 231,628.01 × 111,210.57
  4. Step 4: Simplify right side
    167,897.61x = 25,759,482,464.01
  5. Step 5: Solve for x
    x = 25,759,482,464.01/167,897.61
  6. Step 6: Final answer
    x = 153,423.76

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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.