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Finding the Fourth Proportional to 191,598.24, 287,397.36 and 51,360.51

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Solution

The fourth proportional to 191,598.24, 287,397.36 and 51,360.51 is: 77,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,598.24 : 287,397.36 = 51,360.51 : x
  2. Step 2: Convert to fraction form
    191,598.24/287,397.36 = 51,360.51/x
  3. Step 3: Cross multiply
    191,598.24x = 287,397.36 × 51,360.51
  4. Step 4: Simplify right side
    191,598.24x = 14,760,874,982.25
  5. Step 5: Solve for x
    x = 14,760,874,982.25/191,598.24
  6. Step 6: Final answer
    x = 77,040.77

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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.