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Finding the Fourth Proportional to 111,315.04, 153,525.18 and 97,857.52

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Solution

The fourth proportional to 111,315.04, 153,525.18 and 97,857.52 is: 134,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,315.04 : 153,525.18 = 97,857.52 : x
  2. Step 2: Convert to fraction form
    111,315.04/153,525.18 = 97,857.52/x
  3. Step 3: Cross multiply
    111,315.04x = 153,525.18 × 97,857.52
  4. Step 4: Simplify right side
    111,315.04x = 15,023,593,372.35
  5. Step 5: Solve for x
    x = 15,023,593,372.35/111,315.04
  6. Step 6: Final answer
    x = 134,964.63

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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.