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Finding the Fourth Proportional to 155,612.80, 233,091.15 and 155,612.80

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Solution

The fourth proportional to 155,612.80, 233,091.15 and 155,612.80 is: 233,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,612.80 : 233,091.15 = 155,612.80 : x
  2. Step 2: Convert to fraction form
    155,612.80/233,091.15 = 155,612.80/x
  3. Step 3: Cross multiply
    155,612.80x = 233,091.15 × 155,612.80
  4. Step 4: Simplify right side
    155,612.80x = 36,271,966,506.72
  5. Step 5: Solve for x
    x = 36,271,966,506.72/155,612.80
  6. Step 6: Final answer
    x = 233,091.15

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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.