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Finding the Fourth Proportional to 368,115.16, 552,185.08 and 101,853.40

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Solution

The fourth proportional to 368,115.16, 552,185.08 and 101,853.40 is: 152,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,115.16 : 552,185.08 = 101,853.40 : x
  2. Step 2: Convert to fraction form
    368,115.16/552,185.08 = 101,853.40/x
  3. Step 3: Cross multiply
    368,115.16x = 552,185.08 × 101,853.40
  4. Step 4: Simplify right side
    368,115.16x = 56,241,927,827.27
  5. Step 5: Solve for x
    x = 56,241,927,827.27/368,115.16
  6. Step 6: Final answer
    x = 152,783.51

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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.