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Finding the Fourth Proportional to 292,973.36, 439,314.72 and 93,267.80

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Solution

The fourth proportional to 292,973.36, 439,314.72 and 93,267.80 is: 139,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,973.36 : 439,314.72 = 93,267.80 : x
  2. Step 2: Convert to fraction form
    292,973.36/439,314.72 = 93,267.80/x
  3. Step 3: Cross multiply
    292,973.36x = 439,314.72 × 93,267.80
  4. Step 4: Simplify right side
    292,973.36x = 40,973,917,442.02
  5. Step 5: Solve for x
    x = 40,973,917,442.02/292,973.36
  6. Step 6: Final answer
    x = 139,855.44

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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.