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Finding the Fourth Proportional to 145,226.88, 217,925.58 and 60,980.57

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Solution

The fourth proportional to 145,226.88, 217,925.58 and 60,980.57 is: 91,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,226.88 : 217,925.58 = 60,980.57 : x
  2. Step 2: Convert to fraction form
    145,226.88/217,925.58 = 60,980.57/x
  3. Step 3: Cross multiply
    145,226.88x = 217,925.58 × 60,980.57
  4. Step 4: Simplify right side
    145,226.88x = 13,289,224,996.35
  5. Step 5: Solve for x
    x = 13,289,224,996.35/145,226.88
  6. Step 6: Final answer
    x = 91,506.65

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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.