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Finding the Fourth Proportional to 101,264.09, 139,752.61 and 55,946.03

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Solution

The fourth proportional to 101,264.09, 139,752.61 and 55,946.03 is: 77,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,264.09 : 139,752.61 = 55,946.03 : x
  2. Step 2: Convert to fraction form
    101,264.09/139,752.61 = 55,946.03/x
  3. Step 3: Cross multiply
    101,264.09x = 139,752.61 × 55,946.03
  4. Step 4: Simplify right side
    101,264.09x = 7,818,602,873.01
  5. Step 5: Solve for x
    x = 7,818,602,873.01/101,264.09
  6. Step 6: Final answer
    x = 77,210.03

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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.