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Finding the Fourth Proportional to 108,957.84, 163,353.68 and 56,333.76

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Solution

The fourth proportional to 108,957.84, 163,353.68 and 56,333.76 is: 84,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,957.84 : 163,353.68 = 56,333.76 : x
  2. Step 2: Convert to fraction form
    108,957.84/163,353.68 = 56,333.76/x
  3. Step 3: Cross multiply
    108,957.84x = 163,353.68 × 56,333.76
  4. Step 4: Simplify right side
    108,957.84x = 9,202,327,004.24
  5. Step 5: Solve for x
    x = 9,202,327,004.24/108,957.84
  6. Step 6: Final answer
    x = 84,457.69

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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.