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Finding the Fourth Proportional to 155,612.30, 233,090.40 and 155,612.30

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Solution

The fourth proportional to 155,612.30, 233,090.40 and 155,612.30 is: 233,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,612.30 : 233,090.40 = 155,612.30 : x
  2. Step 2: Convert to fraction form
    155,612.30/233,090.40 = 155,612.30/x
  3. Step 3: Cross multiply
    155,612.30x = 233,090.40 × 155,612.30
  4. Step 4: Simplify right side
    155,612.30x = 36,271,733,251.92
  5. Step 5: Solve for x
    x = 36,271,733,251.92/155,612.30
  6. Step 6: Final answer
    x = 233,090.40

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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.