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Finding the Fourth Proportional to 74,496.40, 104,433.20 and 74,496.40

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Solution

The fourth proportional to 74,496.40, 104,433.20 and 74,496.40 is: 104,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,496.40 : 104,433.20 = 74,496.40 : x
  2. Step 2: Convert to fraction form
    74,496.40/104,433.20 = 74,496.40/x
  3. Step 3: Cross multiply
    74,496.40x = 104,433.20 × 74,496.40
  4. Step 4: Simplify right side
    74,496.40x = 7,779,897,440.48
  5. Step 5: Solve for x
    x = 7,779,897,440.48/74,496.40
  6. Step 6: Final answer
    x = 104,433.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.