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Finding the Fourth Proportional to 216,492.37, 298,750.07 and 118,373.81

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Solution

The fourth proportional to 216,492.37, 298,750.07 and 118,373.81 is: 163,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,492.37 : 298,750.07 = 118,373.81 : x
  2. Step 2: Convert to fraction form
    216,492.37/298,750.07 = 118,373.81/x
  3. Step 3: Cross multiply
    216,492.37x = 298,750.07 × 118,373.81
  4. Step 4: Simplify right side
    216,492.37x = 35,364,183,276.79
  5. Step 5: Solve for x
    x = 35,364,183,276.79/216,492.37
  6. Step 6: Final answer
    x = 163,350.72

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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.