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Finding the Fourth Proportional to 86,887.63, 119,915.03 and 52,916.03

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Solution

The fourth proportional to 86,887.63, 119,915.03 and 52,916.03 is: 73,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.63 : 119,915.03 = 52,916.03 : x
  2. Step 2: Convert to fraction form
    86,887.63/119,915.03 = 52,916.03/x
  3. Step 3: Cross multiply
    86,887.63x = 119,915.03 × 52,916.03
  4. Step 4: Simplify right side
    86,887.63x = 6,345,427,307.33
  5. Step 5: Solve for x
    x = 6,345,427,307.33/86,887.63
  6. Step 6: Final answer
    x = 73,030.27

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1.5x scale

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.