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Finding the Fourth Proportional to 118,153.40, 177,246.30 and 39,259.40

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Solution

The fourth proportional to 118,153.40, 177,246.30 and 39,259.40 is: 58,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,153.40 : 177,246.30 = 39,259.40 : x
  2. Step 2: Convert to fraction form
    118,153.40/177,246.30 = 39,259.40/x
  3. Step 3: Cross multiply
    118,153.40x = 177,246.30 × 39,259.40
  4. Step 4: Simplify right side
    118,153.40x = 6,958,583,390.22
  5. Step 5: Solve for x
    x = 6,958,583,390.22/118,153.40
  6. Step 6: Final answer
    x = 58,894.48

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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.