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Finding the Fourth Proportional to 152,605.60, 228,746.40 and 73,668.40

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Solution

The fourth proportional to 152,605.60, 228,746.40 and 73,668.40 is: 110,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,605.60 : 228,746.40 = 73,668.40 : x
  2. Step 2: Convert to fraction form
    152,605.60/228,746.40 = 73,668.40/x
  3. Step 3: Cross multiply
    152,605.60x = 228,746.40 × 73,668.40
  4. Step 4: Simplify right side
    152,605.60x = 16,851,381,293.76
  5. Step 5: Solve for x
    x = 16,851,381,293.76/152,605.60
  6. Step 6: Final answer
    x = 110,424.40

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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.