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Finding the Fourth Proportional to 181,528.80, 271,904.40 and 146,536.80

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Solution

The fourth proportional to 181,528.80, 271,904.40 and 146,536.80 is: 219,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,528.80 : 271,904.40 = 146,536.80 : x
  2. Step 2: Convert to fraction form
    181,528.80/271,904.40 = 146,536.80/x
  3. Step 3: Cross multiply
    181,528.80x = 271,904.40 × 146,536.80
  4. Step 4: Simplify right side
    181,528.80x = 39,844,000,681.92
  5. Step 5: Solve for x
    x = 39,844,000,681.92/181,528.80
  6. Step 6: Final answer
    x = 219,491.35

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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.