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Finding the Fourth Proportional to 101,009.68, 139,389.40 and 60,746.12

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Solution

The fourth proportional to 101,009.68, 139,389.40 and 60,746.12 is: 83,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,009.68 : 139,389.40 = 60,746.12 : x
  2. Step 2: Convert to fraction form
    101,009.68/139,389.40 = 60,746.12/x
  3. Step 3: Cross multiply
    101,009.68x = 139,389.40 × 60,746.12
  4. Step 4: Simplify right side
    101,009.68x = 8,467,365,219.13
  5. Step 5: Solve for x
    x = 8,467,365,219.13/101,009.68
  6. Step 6: Final answer
    x = 83,827.27

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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.