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Finding the Fourth Proportional to 181,678.40, 254,612.20 and 181,678.40

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Solution

The fourth proportional to 181,678.40, 254,612.20 and 181,678.40 is: 254,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678.40 : 254,612.20 = 181,678.40 : x
  2. Step 2: Convert to fraction form
    181,678.40/254,612.20 = 181,678.40/x
  3. Step 3: Cross multiply
    181,678.40x = 254,612.20 × 181,678.40
  4. Step 4: Simplify right side
    181,678.40x = 46,257,537,116.48
  5. Step 5: Solve for x
    x = 46,257,537,116.48/181,678.40
  6. Step 6: Final answer
    x = 254,612.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.