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Finding the Fourth Proportional to 93,416.90, 140,039.28 and 37,243.60

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Solution

The fourth proportional to 93,416.90, 140,039.28 and 37,243.60 is: 55,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,416.90 : 140,039.28 = 37,243.60 : x
  2. Step 2: Convert to fraction form
    93,416.90/140,039.28 = 37,243.60/x
  3. Step 3: Cross multiply
    93,416.90x = 140,039.28 × 37,243.60
  4. Step 4: Simplify right side
    93,416.90x = 5,215,566,578.51
  5. Step 5: Solve for x
    x = 5,215,566,578.51/93,416.90
  6. Step 6: Final answer
    x = 55,831.08

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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.