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Finding the Fourth Proportional to 93,304.44, 128,781 and 59,306.31

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Solution

The fourth proportional to 93,304.44, 128,781 and 59,306.31 is: 81,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,304.44 : 128,781 = 59,306.31 : x
  2. Step 2: Convert to fraction form
    93,304.44/128,781 = 59,306.31/x
  3. Step 3: Cross multiply
    93,304.44x = 128,781 × 59,306.31
  4. Step 4: Simplify right side
    93,304.44x = 7,637,525,908.11
  5. Step 5: Solve for x
    x = 7,637,525,908.11/93,304.44
  6. Step 6: Final answer
    x = 81,855.98

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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.