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Finding the Fourth Proportional to 264,030.20, 396,045.30 and 152,055.80

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Solution

The fourth proportional to 264,030.20, 396,045.30 and 152,055.80 is: 228,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,030.20 : 396,045.30 = 152,055.80 : x
  2. Step 2: Convert to fraction form
    264,030.20/396,045.30 = 152,055.80/x
  3. Step 3: Cross multiply
    264,030.20x = 396,045.30 × 152,055.80
  4. Step 4: Simplify right side
    264,030.20x = 60,220,984,927.74
  5. Step 5: Solve for x
    x = 60,220,984,927.74/264,030.20
  6. Step 6: Final answer
    x = 228,083.70

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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.