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Finding the Fourth Proportional to 371,223.90, 556,773.93 and 104,923.98

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Solution

The fourth proportional to 371,223.90, 556,773.93 and 104,923.98 is: 157,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,223.90 : 556,773.93 = 104,923.98 : x
  2. Step 2: Convert to fraction form
    371,223.90/556,773.93 = 104,923.98/x
  3. Step 3: Cross multiply
    371,223.90x = 556,773.93 × 104,923.98
  4. Step 4: Simplify right side
    371,223.90x = 58,418,936,695.84
  5. Step 5: Solve for x
    x = 58,418,936,695.84/371,223.90
  6. Step 6: Final answer
    x = 157,368.47

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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.