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Finding the Fourth Proportional to 369,133.60, 553,959.60 and 158,922.40

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Solution

The fourth proportional to 369,133.60, 553,959.60 and 158,922.40 is: 238,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,133.60 : 553,959.60 = 158,922.40 : x
  2. Step 2: Convert to fraction form
    369,133.60/553,959.60 = 158,922.40/x
  3. Step 3: Cross multiply
    369,133.60x = 553,959.60 × 158,922.40
  4. Step 4: Simplify right side
    369,133.60x = 88,036,589,135.04
  5. Step 5: Solve for x
    x = 88,036,589,135.04/369,133.60
  6. Step 6: Final answer
    x = 238,495.19

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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.