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Finding the Fourth Proportional to 162,521.80, 243,782.70 and 148,006.60

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Solution

The fourth proportional to 162,521.80, 243,782.70 and 148,006.60 is: 222,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,521.80 : 243,782.70 = 148,006.60 : x
  2. Step 2: Convert to fraction form
    162,521.80/243,782.70 = 148,006.60/x
  3. Step 3: Cross multiply
    162,521.80x = 243,782.70 × 148,006.60
  4. Step 4: Simplify right side
    162,521.80x = 36,081,448,565.82
  5. Step 5: Solve for x
    x = 36,081,448,565.82/162,521.80
  6. Step 6: Final answer
    x = 222,009.90

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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.