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Finding the Fourth Proportional to 292,210.95, 437,970.83 and 123,730.95

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Solution

The fourth proportional to 292,210.95, 437,970.83 and 123,730.95 is: 185,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,210.95 : 437,970.83 = 123,730.95 : x
  2. Step 2: Convert to fraction form
    292,210.95/437,970.83 = 123,730.95/x
  3. Step 3: Cross multiply
    292,210.95x = 437,970.83 × 123,730.95
  4. Step 4: Simplify right side
    292,210.95x = 54,190,546,249.53
  5. Step 5: Solve for x
    x = 54,190,546,249.53/292,210.95
  6. Step 6: Final answer
    x = 185,450.09

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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.