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Finding the Fourth Proportional to 118,271.76, 177,280.68 and 58,990.32

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Solution

The fourth proportional to 118,271.76, 177,280.68 and 58,990.32 is: 88,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,271.76 : 177,280.68 = 58,990.32 : x
  2. Step 2: Convert to fraction form
    118,271.76/177,280.68 = 58,990.32/x
  3. Step 3: Cross multiply
    118,271.76x = 177,280.68 × 58,990.32
  4. Step 4: Simplify right side
    118,271.76x = 10,457,844,043.02
  5. Step 5: Solve for x
    x = 10,457,844,043.02/118,271.76
  6. Step 6: Final answer
    x = 88,422.16

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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.