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Finding the Fourth Proportional to 111,262.95, 153,453.51 and 97,805.61

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Solution

The fourth proportional to 111,262.95, 153,453.51 and 97,805.61 is: 134,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,262.95 : 153,453.51 = 97,805.61 : x
  2. Step 2: Convert to fraction form
    111,262.95/153,453.51 = 97,805.61/x
  3. Step 3: Cross multiply
    111,262.95x = 153,453.51 × 97,805.61
  4. Step 4: Simplify right side
    111,262.95x = 15,008,614,152.19
  5. Step 5: Solve for x
    x = 15,008,614,152.19/111,262.95
  6. Step 6: Final answer
    x = 134,893.19

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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.