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Finding the Fourth Proportional to 111,035.42, 153,225.06 and 63,304.14

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Solution

The fourth proportional to 111,035.42, 153,225.06 and 63,304.14 is: 87,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,035.42 : 153,225.06 = 63,304.14 : x
  2. Step 2: Convert to fraction form
    111,035.42/153,225.06 = 63,304.14/x
  3. Step 3: Cross multiply
    111,035.42x = 153,225.06 × 63,304.14
  4. Step 4: Simplify right side
    111,035.42x = 9,699,780,649.75
  5. Step 5: Solve for x
    x = 9,699,780,649.75/111,035.42
  6. Step 6: Final answer
    x = 87,357.54

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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.