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Finding the Fourth Proportional to 374,934.60, 562,401.90 and 108,703.80

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Solution

The fourth proportional to 374,934.60, 562,401.90 and 108,703.80 is: 163,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,934.60 : 562,401.90 = 108,703.80 : x
  2. Step 2: Convert to fraction form
    374,934.60/562,401.90 = 108,703.80/x
  3. Step 3: Cross multiply
    374,934.60x = 562,401.90 × 108,703.80
  4. Step 4: Simplify right side
    374,934.60x = 61,135,223,657.22
  5. Step 5: Solve for x
    x = 61,135,223,657.22/374,934.60
  6. Step 6: Final answer
    x = 163,055.70

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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.