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Finding the Fourth Proportional to 371,158.56, 556,792.65 and 134,446.05

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Solution

The fourth proportional to 371,158.56, 556,792.65 and 134,446.05 is: 201,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,158.56 : 556,792.65 = 134,446.05 : x
  2. Step 2: Convert to fraction form
    371,158.56/556,792.65 = 134,446.05/x
  3. Step 3: Cross multiply
    371,158.56x = 556,792.65 × 134,446.05
  4. Step 4: Simplify right side
    371,158.56x = 74,858,572,461.53
  5. Step 5: Solve for x
    x = 74,858,572,461.53/371,158.56
  6. Step 6: Final answer
    x = 201,688.93

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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.