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Finding the Fourth Proportional to 191,852.02, 287,781.68 and 65,521.18

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Solution

The fourth proportional to 191,852.02, 287,781.68 and 65,521.18 is: 98,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,852.02 : 287,781.68 = 65,521.18 : x
  2. Step 2: Convert to fraction form
    191,852.02/287,781.68 = 65,521.18/x
  3. Step 3: Cross multiply
    191,852.02x = 287,781.68 × 65,521.18
  4. Step 4: Simplify right side
    191,852.02x = 18,855,794,208.92
  5. Step 5: Solve for x
    x = 18,855,794,208.92/191,852.02
  6. Step 6: Final answer
    x = 98,283.01

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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.