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Finding the Fourth Proportional to 153,495.81, 230,280.59 and 58,724.45

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Solution

The fourth proportional to 153,495.81, 230,280.59 and 58,724.45 is: 88,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,495.81 : 230,280.59 = 58,724.45 : x
  2. Step 2: Convert to fraction form
    153,495.81/230,280.59 = 58,724.45/x
  3. Step 3: Cross multiply
    153,495.81x = 230,280.59 × 58,724.45
  4. Step 4: Simplify right side
    153,495.81x = 13,523,100,993.43
  5. Step 5: Solve for x
    x = 13,523,100,993.43/153,495.81
  6. Step 6: Final answer
    x = 88,100.78

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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.