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Finding the Fourth Proportional to 224,643.66, 310,006.35 and 124,039.50

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Solution

The fourth proportional to 224,643.66, 310,006.35 and 124,039.50 is: 171,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,643.66 : 310,006.35 = 124,039.50 : x
  2. Step 2: Convert to fraction form
    224,643.66/310,006.35 = 124,039.50/x
  3. Step 3: Cross multiply
    224,643.66x = 310,006.35 × 124,039.50
  4. Step 4: Simplify right side
    224,643.66x = 38,453,032,650.83
  5. Step 5: Solve for x
    x = 38,453,032,650.83/224,643.66
  6. Step 6: Final answer
    x = 171,173.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.