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Finding the Fourth Proportional to 371,109.48, 556,686.72 and 104,889.93

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Solution

The fourth proportional to 371,109.48, 556,686.72 and 104,889.93 is: 157,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,109.48 : 556,686.72 = 104,889.93 : x
  2. Step 2: Convert to fraction form
    371,109.48/556,686.72 = 104,889.93/x
  3. Step 3: Cross multiply
    371,109.48x = 556,686.72 × 104,889.93
  4. Step 4: Simplify right side
    371,109.48x = 58,390,831,092.73
  5. Step 5: Solve for x
    x = 58,390,831,092.73/371,109.48
  6. Step 6: Final answer
    x = 157,341.25

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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.