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Finding the Fourth Proportional to 369,165.72, 553,877.01 and 116,485.23

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Solution

The fourth proportional to 369,165.72, 553,877.01 and 116,485.23 is: 174,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,165.72 : 553,877.01 = 116,485.23 : x
  2. Step 2: Convert to fraction form
    369,165.72/553,877.01 = 116,485.23/x
  3. Step 3: Cross multiply
    369,165.72x = 553,877.01 × 116,485.23
  4. Step 4: Simplify right side
    369,165.72x = 64,518,490,901.56
  5. Step 5: Solve for x
    x = 64,518,490,901.56/369,165.72
  6. Step 6: Final answer
    x = 174,768.37

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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.