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Finding the Fourth Proportional to 148,558.40, 223,010.40 and 89,460.80

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Solution

The fourth proportional to 148,558.40, 223,010.40 and 89,460.80 is: 134,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,558.40 : 223,010.40 = 89,460.80 : x
  2. Step 2: Convert to fraction form
    148,558.40/223,010.40 = 89,460.80/x
  3. Step 3: Cross multiply
    148,558.40x = 223,010.40 × 89,460.80
  4. Step 4: Simplify right side
    148,558.40x = 19,950,688,792.32
  5. Step 5: Solve for x
    x = 19,950,688,792.32/148,558.40
  6. Step 6: Final answer
    x = 134,295.26

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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.