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Finding the Fourth Proportional to 190,701.80, 286,052.70 and 146,551.40

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Solution

The fourth proportional to 190,701.80, 286,052.70 and 146,551.40 is: 219,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,701.80 : 286,052.70 = 146,551.40 : x
  2. Step 2: Convert to fraction form
    190,701.80/286,052.70 = 146,551.40/x
  3. Step 3: Cross multiply
    190,701.80x = 286,052.70 × 146,551.40
  4. Step 4: Simplify right side
    190,701.80x = 41,921,423,658.78
  5. Step 5: Solve for x
    x = 41,921,423,658.78/190,701.80
  6. Step 6: Final answer
    x = 219,827.10

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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.