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Finding the Fourth Proportional to 107,368.60, 160,803.67 and 103,632.02

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Solution

The fourth proportional to 107,368.60, 160,803.67 and 103,632.02 is: 155,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,368.60 : 160,803.67 = 103,632.02 : x
  2. Step 2: Convert to fraction form
    107,368.60/160,803.67 = 103,632.02/x
  3. Step 3: Cross multiply
    107,368.60x = 160,803.67 × 103,632.02
  4. Step 4: Simplify right side
    107,368.60x = 16,664,409,145.51
  5. Step 5: Solve for x
    x = 16,664,409,145.51/107,368.60
  6. Step 6: Final answer
    x = 155,207.47

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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.