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Finding the Fourth Proportional to 86,898.03, 130,396.29 and 46,916.46

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Solution

The fourth proportional to 86,898.03, 130,396.29 and 46,916.46 is: 70,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898.03 : 130,396.29 = 46,916.46 : x
  2. Step 2: Convert to fraction form
    86,898.03/130,396.29 = 46,916.46/x
  3. Step 3: Cross multiply
    86,898.03x = 130,396.29 × 46,916.46
  4. Step 4: Simplify right side
    86,898.03x = 6,117,732,323.93
  5. Step 5: Solve for x
    x = 6,117,732,323.93/86,898.03
  6. Step 6: Final answer
    x = 70,401.28

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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.