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Finding the Fourth Proportional to 108,807.86, 163,080.51 and 56,188.58

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Solution

The fourth proportional to 108,807.86, 163,080.51 and 56,188.58 is: 84,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807.86 : 163,080.51 = 56,188.58 : x
  2. Step 2: Convert to fraction form
    108,807.86/163,080.51 = 56,188.58/x
  3. Step 3: Cross multiply
    108,807.86x = 163,080.51 × 56,188.58
  4. Step 4: Simplify right side
    108,807.86x = 9,163,262,282.58
  5. Step 5: Solve for x
    x = 9,163,262,282.58/108,807.86
  6. Step 6: Final answer
    x = 84,215.08

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1.5x scale

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.