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Finding the Fourth Proportional to 197,745, 272,888.10 and 112,860.24

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Solution

The fourth proportional to 197,745, 272,888.10 and 112,860.24 is: 155,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,745 : 272,888.10 = 112,860.24 : x
  2. Step 2: Convert to fraction form
    197,745/272,888.10 = 112,860.24/x
  3. Step 3: Cross multiply
    197,745x = 272,888.10 × 112,860.24
  4. Step 4: Simplify right side
    197,745x = 30,798,216,459.14
  5. Step 5: Solve for x
    x = 30,798,216,459.14/197,745
  6. Step 6: Final answer
    x = 155,747.13

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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.