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Finding the Fourth Proportional to 228,656.79, 342,985.32 and 95,464.44

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Solution

The fourth proportional to 228,656.79, 342,985.32 and 95,464.44 is: 143,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,656.79 : 342,985.32 = 95,464.44 : x
  2. Step 2: Convert to fraction form
    228,656.79/342,985.32 = 95,464.44/x
  3. Step 3: Cross multiply
    228,656.79x = 342,985.32 × 95,464.44
  4. Step 4: Simplify right side
    228,656.79x = 32,742,901,502.02
  5. Step 5: Solve for x
    x = 32,742,901,502.02/228,656.79
  6. Step 6: Final answer
    x = 143,196.72

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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.