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Finding the Fourth Proportional to 371,124.96, 556,419.54 and 157,775.82

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Solution

The fourth proportional to 371,124.96, 556,419.54 and 157,775.82 is: 236,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,124.96 : 556,419.54 = 157,775.82 : x
  2. Step 2: Convert to fraction form
    371,124.96/556,419.54 = 157,775.82/x
  3. Step 3: Cross multiply
    371,124.96x = 556,419.54 × 157,775.82
  4. Step 4: Simplify right side
    371,124.96x = 87,789,549,187.52
  5. Step 5: Solve for x
    x = 87,789,549,187.52/371,124.96
  6. Step 6: Final answer
    x = 236,549.84

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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.