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Finding the Fourth Proportional to 93,239.56, 139,858.30 and 55,810.07

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Solution

The fourth proportional to 93,239.56, 139,858.30 and 55,810.07 is: 83,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,239.56 : 139,858.30 = 55,810.07 : x
  2. Step 2: Convert to fraction form
    93,239.56/139,858.30 = 55,810.07/x
  3. Step 3: Cross multiply
    93,239.56x = 139,858.30 × 55,810.07
  4. Step 4: Simplify right side
    93,239.56x = 7,805,502,194.72
  5. Step 5: Solve for x
    x = 7,805,502,194.72/93,239.56
  6. Step 6: Final answer
    x = 83,714.49

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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.