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Finding the Fourth Proportional to 369,314.10, 553,963.05 and 103,067.10

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Solution

The fourth proportional to 369,314.10, 553,963.05 and 103,067.10 is: 154,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,314.10 : 553,963.05 = 103,067.10 : x
  2. Step 2: Convert to fraction form
    369,314.10/553,963.05 = 103,067.10/x
  3. Step 3: Cross multiply
    369,314.10x = 553,963.05 × 103,067.10
  4. Step 4: Simplify right side
    369,314.10x = 57,095,365,070.66
  5. Step 5: Solve for x
    x = 57,095,365,070.66/369,314.10
  6. Step 6: Final answer
    x = 154,598.39

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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.