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Finding the Fourth Proportional to 92,594.70, 127,802.21 and 65,745.63

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Solution

The fourth proportional to 92,594.70, 127,802.21 and 65,745.63 is: 90,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,594.70 : 127,802.21 = 65,745.63 : x
  2. Step 2: Convert to fraction form
    92,594.70/127,802.21 = 65,745.63/x
  3. Step 3: Cross multiply
    92,594.70x = 127,802.21 × 65,745.63
  4. Step 4: Simplify right side
    92,594.70x = 8,402,436,483.11
  5. Step 5: Solve for x
    x = 8,402,436,483.11/92,594.70
  6. Step 6: Final answer
    x = 90,744.25

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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.