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Finding the Fourth Proportional to 169,923.40, 254,885.10 and 146,303.80

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Solution

The fourth proportional to 169,923.40, 254,885.10 and 146,303.80 is: 219,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,923.40 : 254,885.10 = 146,303.80 : x
  2. Step 2: Convert to fraction form
    169,923.40/254,885.10 = 146,303.80/x
  3. Step 3: Cross multiply
    169,923.40x = 254,885.10 × 146,303.80
  4. Step 4: Simplify right side
    169,923.40x = 37,290,658,693.38
  5. Step 5: Solve for x
    x = 37,290,658,693.38/169,923.40
  6. Step 6: Final answer
    x = 219,455.70

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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.