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Finding the Fourth Proportional to 104,548.90, 144,276.72 and 56,802.64

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Solution

The fourth proportional to 104,548.90, 144,276.72 and 56,802.64 is: 78,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,548.90 : 144,276.72 = 56,802.64 : x
  2. Step 2: Convert to fraction form
    104,548.90/144,276.72 = 56,802.64/x
  3. Step 3: Cross multiply
    104,548.90x = 144,276.72 × 56,802.64
  4. Step 4: Simplify right side
    104,548.90x = 8,195,298,586.54
  5. Step 5: Solve for x
    x = 8,195,298,586.54/104,548.90
  6. Step 6: Final answer
    x = 78,387.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.