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Finding the Fourth Proportional to 93,637.80, 140,456.70 and 58,127.40

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Solution

The fourth proportional to 93,637.80, 140,456.70 and 58,127.40 is: 87,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,637.80 : 140,456.70 = 58,127.40 : x
  2. Step 2: Convert to fraction form
    93,637.80/140,456.70 = 58,127.40/x
  3. Step 3: Cross multiply
    93,637.80x = 140,456.70 × 58,127.40
  4. Step 4: Simplify right side
    93,637.80x = 8,164,382,783.58
  5. Step 5: Solve for x
    x = 8,164,382,783.58/93,637.80
  6. Step 6: Final answer
    x = 87,191.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.