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Finding the Fourth Proportional to 177,490.20, 266,235.30 and 163,973.40

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Solution

The fourth proportional to 177,490.20, 266,235.30 and 163,973.40 is: 245,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,490.20 : 266,235.30 = 163,973.40 : x
  2. Step 2: Convert to fraction form
    177,490.20/266,235.30 = 163,973.40/x
  3. Step 3: Cross multiply
    177,490.20x = 266,235.30 × 163,973.40
  4. Step 4: Simplify right side
    177,490.20x = 43,655,507,341.02
  5. Step 5: Solve for x
    x = 43,655,507,341.02/177,490.20
  6. Step 6: Final answer
    x = 245,960.10

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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.