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Finding the Fourth Proportional to 169,303.89, 233,642.01 and 92,829.97

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Solution

The fourth proportional to 169,303.89, 233,642.01 and 92,829.97 is: 128,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,303.89 : 233,642.01 = 92,829.97 : x
  2. Step 2: Convert to fraction form
    169,303.89/233,642.01 = 92,829.97/x
  3. Step 3: Cross multiply
    169,303.89x = 233,642.01 × 92,829.97
  4. Step 4: Simplify right side
    169,303.89x = 21,688,980,779.04
  5. Step 5: Solve for x
    x = 21,688,980,779.04/169,303.89
  6. Step 6: Final answer
    x = 128,106.81

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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.