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Finding the Fourth Proportional to 152,495.40, 228,703.16 and 45,850.80

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Solution

The fourth proportional to 152,495.40, 228,703.16 and 45,850.80 is: 68,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,495.40 : 228,703.16 = 45,850.80 : x
  2. Step 2: Convert to fraction form
    152,495.40/228,703.16 = 45,850.80/x
  3. Step 3: Cross multiply
    152,495.40x = 228,703.16 × 45,850.80
  4. Step 4: Simplify right side
    152,495.40x = 10,486,222,848.53
  5. Step 5: Solve for x
    x = 10,486,222,848.53/152,495.40
  6. Step 6: Final answer
    x = 68,764.19

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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.