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Finding the Fourth Proportional to 103,708.64, 155,587.80 and 33,588.08

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Solution

The fourth proportional to 103,708.64, 155,587.80 and 33,588.08 is: 50,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708.64 : 155,587.80 = 33,588.08 : x
  2. Step 2: Convert to fraction form
    103,708.64/155,587.80 = 33,588.08/x
  3. Step 3: Cross multiply
    103,708.64x = 155,587.80 × 33,588.08
  4. Step 4: Simplify right side
    103,708.64x = 5,225,895,473.42
  5. Step 5: Solve for x
    x = 5,225,895,473.42/103,708.64
  6. Step 6: Final answer
    x = 50,390.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.