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Finding the Fourth Proportional to 145,506.24, 218,237.76 and 40,314.24

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Solution

The fourth proportional to 145,506.24, 218,237.76 and 40,314.24 is: 60,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.24 : 218,237.76 = 40,314.24 : x
  2. Step 2: Convert to fraction form
    145,506.24/218,237.76 = 40,314.24/x
  3. Step 3: Cross multiply
    145,506.24x = 218,237.76 × 40,314.24
  4. Step 4: Simplify right side
    145,506.24x = 8,798,089,433.70
  5. Step 5: Solve for x
    x = 8,798,089,433.70/145,506.24
  6. Step 6: Final answer
    x = 60,465.38

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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.