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Finding the Fourth Proportional to 292,594.94, 438,907.61 and 92,930.95

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Solution

The fourth proportional to 292,594.94, 438,907.61 and 92,930.95 is: 139,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,594.94 : 438,907.61 = 92,930.95 : x
  2. Step 2: Convert to fraction form
    292,594.94/438,907.61 = 92,930.95/x
  3. Step 3: Cross multiply
    292,594.94x = 438,907.61 × 92,930.95
  4. Step 4: Simplify right side
    292,594.94x = 40,788,101,159.53
  5. Step 5: Solve for x
    x = 40,788,101,159.53/292,594.94
  6. Step 6: Final answer
    x = 139,401.25

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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.