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Finding the Fourth Proportional to 92,673.09, 127,916.05 and 53,920.03

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Solution

The fourth proportional to 92,673.09, 127,916.05 and 53,920.03 is: 74,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.09 : 127,916.05 = 53,920.03 : x
  2. Step 2: Convert to fraction form
    92,673.09/127,916.05 = 53,920.03/x
  3. Step 3: Cross multiply
    92,673.09x = 127,916.05 × 53,920.03
  4. Step 4: Simplify right side
    92,673.09x = 6,897,237,064.01
  5. Step 5: Solve for x
    x = 6,897,237,064.01/92,673.09
  6. Step 6: Final answer
    x = 74,425.46

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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.