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Finding the Fourth Proportional to 118,763.67, 178,146.69 and 30,017.19

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Solution

The fourth proportional to 118,763.67, 178,146.69 and 30,017.19 is: 45,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,763.67 : 178,146.69 = 30,017.19 : x
  2. Step 2: Convert to fraction form
    118,763.67/178,146.69 = 30,017.19/x
  3. Step 3: Cross multiply
    118,763.67x = 178,146.69 × 30,017.19
  4. Step 4: Simplify right side
    118,763.67x = 5,347,463,041.60
  5. Step 5: Solve for x
    x = 5,347,463,041.60/118,763.67
  6. Step 6: Final answer
    x = 45,026.08

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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.