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Finding the Fourth Proportional to 153,378.84, 230,040.55 and 53,567.57

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Solution

The fourth proportional to 153,378.84, 230,040.55 and 53,567.57 is: 80,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,378.84 : 230,040.55 = 53,567.57 : x
  2. Step 2: Convert to fraction form
    153,378.84/230,040.55 = 53,567.57/x
  3. Step 3: Cross multiply
    153,378.84x = 230,040.55 × 53,567.57
  4. Step 4: Simplify right side
    153,378.84x = 12,322,713,264.96
  5. Step 5: Solve for x
    x = 12,322,713,264.96/153,378.84
  6. Step 6: Final answer
    x = 80,341.68

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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.