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Finding the Fourth Proportional to 150,460.10, 207,580.02 and 90,032.48

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Solution

The fourth proportional to 150,460.10, 207,580.02 and 90,032.48 is: 124,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,460.10 : 207,580.02 = 90,032.48 : x
  2. Step 2: Convert to fraction form
    150,460.10/207,580.02 = 90,032.48/x
  3. Step 3: Cross multiply
    150,460.10x = 207,580.02 × 90,032.48
  4. Step 4: Simplify right side
    150,460.10x = 18,688,943,999.05
  5. Step 5: Solve for x
    x = 18,688,943,999.05/150,460.10
  6. Step 6: Final answer
    x = 124,211.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.