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Finding the Fourth Proportional to 114,099.96, 170,888.76 and 69,628.80

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Solution

The fourth proportional to 114,099.96, 170,888.76 and 69,628.80 is: 104,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,099.96 : 170,888.76 = 69,628.80 : x
  2. Step 2: Convert to fraction form
    114,099.96/170,888.76 = 69,628.80/x
  3. Step 3: Cross multiply
    114,099.96x = 170,888.76 × 69,628.80
  4. Step 4: Simplify right side
    114,099.96x = 11,898,779,292.29
  5. Step 5: Solve for x
    x = 11,898,779,292.29/114,099.96
  6. Step 6: Final answer
    x = 104,283.82

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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.