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Finding the Fourth Proportional to 152,435.80, 228,216.30 and 148,061.80

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Solution

The fourth proportional to 152,435.80, 228,216.30 and 148,061.80 is: 221,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,435.80 : 228,216.30 = 148,061.80 : x
  2. Step 2: Convert to fraction form
    152,435.80/228,216.30 = 148,061.80/x
  3. Step 3: Cross multiply
    152,435.80x = 228,216.30 × 148,061.80
  4. Step 4: Simplify right side
    152,435.80x = 33,790,116,167.34
  5. Step 5: Solve for x
    x = 33,790,116,167.34/152,435.80
  6. Step 6: Final answer
    x = 221,667.85

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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.