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Finding the Fourth Proportional to 368,088.63, 552,133.80 and 111,923.55

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Solution

The fourth proportional to 368,088.63, 552,133.80 and 111,923.55 is: 167,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,088.63 : 552,133.80 = 111,923.55 : x
  2. Step 2: Convert to fraction form
    368,088.63/552,133.80 = 111,923.55/x
  3. Step 3: Cross multiply
    368,088.63x = 552,133.80 × 111,923.55
  4. Step 4: Simplify right side
    368,088.63x = 61,796,774,970.99
  5. Step 5: Solve for x
    x = 61,796,774,970.99/368,088.63
  6. Step 6: Final answer
    x = 167,885.58

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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.