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Finding the Fourth Proportional to 371,030.36, 556,585.74 and 118,251.56

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Solution

The fourth proportional to 371,030.36, 556,585.74 and 118,251.56 is: 177,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,030.36 : 556,585.74 = 118,251.56 : x
  2. Step 2: Convert to fraction form
    371,030.36/556,585.74 = 118,251.56/x
  3. Step 3: Cross multiply
    371,030.36x = 556,585.74 × 118,251.56
  4. Step 4: Simplify right side
    371,030.36x = 65,817,132,028.75
  5. Step 5: Solve for x
    x = 65,817,132,028.75/371,030.36
  6. Step 6: Final answer
    x = 177,390.15

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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.