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Finding the Fourth Proportional to 169,200.99, 253,792.12 and 56,869.58

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Solution

The fourth proportional to 169,200.99, 253,792.12 and 56,869.58 is: 85,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,200.99 : 253,792.12 = 56,869.58 : x
  2. Step 2: Convert to fraction form
    169,200.99/253,792.12 = 56,869.58/x
  3. Step 3: Cross multiply
    169,200.99x = 253,792.12 × 56,869.58
  4. Step 4: Simplify right side
    169,200.99x = 14,433,051,271.71
  5. Step 5: Solve for x
    x = 14,433,051,271.71/169,200.99
  6. Step 6: Final answer
    x = 85,301.22

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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.