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Finding the Fourth Proportional to 223,756,948.80, 335,068,552.80 and 178,407,316.80

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Solution

The fourth proportional to 223,756,948.80, 335,068,552.80 and 178,407,316.80 is: 267,158,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,756,948.80 : 335,068,552.80 = 178,407,316.80 : x
  2. Step 2: Convert to fraction form
    223,756,948.80/335,068,552.80 = 178,407,316.80/x
  3. Step 3: Cross multiply
    223,756,948.80x = 335,068,552.80 × 178,407,316.80
  4. Step 4: Simplify right side
    223,756,948.80x = 59,778,681,449,107,136
  5. Step 5: Solve for x
    x = 59,778,681,449,107,136/223,756,948.80
  6. Step 6: Final answer
    x = 267,158,994.48

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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.