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Finding the Fourth Proportional to 111,302.54, 153,597.03 and 61,001.54

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Solution

The fourth proportional to 111,302.54, 153,597.03 and 61,001.54 is: 84,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,302.54 : 153,597.03 = 61,001.54 : x
  2. Step 2: Convert to fraction form
    111,302.54/153,597.03 = 61,001.54/x
  3. Step 3: Cross multiply
    111,302.54x = 153,597.03 × 61,001.54
  4. Step 4: Simplify right side
    111,302.54x = 9,369,655,369.43
  5. Step 5: Solve for x
    x = 9,369,655,369.43/111,302.54
  6. Step 6: Final answer
    x = 84,181.86

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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.