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Finding the Fourth Proportional to 77,466.47, 106,894.94 and 43,467.93

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Solution

The fourth proportional to 77,466.47, 106,894.94 and 43,467.93 is: 59,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.47 : 106,894.94 = 43,467.93 : x
  2. Step 2: Convert to fraction form
    77,466.47/106,894.94 = 43,467.93/x
  3. Step 3: Cross multiply
    77,466.47x = 106,894.94 × 43,467.93
  4. Step 4: Simplify right side
    77,466.47x = 4,646,501,551.93
  5. Step 5: Solve for x
    x = 4,646,501,551.93/77,466.47
  6. Step 6: Final answer
    x = 59,980.81

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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.