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Finding the Fourth Proportional to 152,355.30, 228,569.40 and 73,404.60

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Solution

The fourth proportional to 152,355.30, 228,569.40 and 73,404.60 is: 110,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,355.30 : 228,569.40 = 73,404.60 : x
  2. Step 2: Convert to fraction form
    152,355.30/228,569.40 = 73,404.60/x
  3. Step 3: Cross multiply
    152,355.30x = 228,569.40 × 73,404.60
  4. Step 4: Simplify right side
    152,355.30x = 16,778,045,379.24
  5. Step 5: Solve for x
    x = 16,778,045,379.24/152,355.30
  6. Step 6: Final answer
    x = 110,124.46

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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.