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Finding the Fourth Proportional to 152,139.60, 228,209.40 and 63,363.60

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Solution

The fourth proportional to 152,139.60, 228,209.40 and 63,363.60 is: 95,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,139.60 : 228,209.40 = 63,363.60 : x
  2. Step 2: Convert to fraction form
    152,139.60/228,209.40 = 63,363.60/x
  3. Step 3: Cross multiply
    152,139.60x = 228,209.40 × 63,363.60
  4. Step 4: Simplify right side
    152,139.60x = 14,460,169,137.84
  5. Step 5: Solve for x
    x = 14,460,169,137.84/152,139.60
  6. Step 6: Final answer
    x = 95,045.40

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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.