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Finding the Fourth Proportional to 103,486.63, 155,119.42 and 59,017.63

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Solution

The fourth proportional to 103,486.63, 155,119.42 and 59,017.63 is: 88,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486.63 : 155,119.42 = 59,017.63 : x
  2. Step 2: Convert to fraction form
    103,486.63/155,119.42 = 59,017.63/x
  3. Step 3: Cross multiply
    103,486.63x = 155,119.42 × 59,017.63
  4. Step 4: Simplify right side
    103,486.63x = 9,154,780,535.37
  5. Step 5: Solve for x
    x = 9,154,780,535.37/103,486.63
  6. Step 6: Final answer
    x = 88,463.41

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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.