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Finding the Fourth Proportional to 368,478.60, 552,656.07 and 102,266.16

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Solution

The fourth proportional to 368,478.60, 552,656.07 and 102,266.16 is: 153,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,478.60 : 552,656.07 = 102,266.16 : x
  2. Step 2: Convert to fraction form
    368,478.60/552,656.07 = 102,266.16/x
  3. Step 3: Cross multiply
    368,478.60x = 552,656.07 × 102,266.16
  4. Step 4: Simplify right side
    368,478.60x = 56,518,014,079.59
  5. Step 5: Solve for x
    x = 56,518,014,079.59/368,478.60
  6. Step 6: Final answer
    x = 153,382.08

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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.