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Finding the Fourth Proportional to 114,720.44, 158,297.10 and 64,409.72

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Solution

The fourth proportional to 114,720.44, 158,297.10 and 64,409.72 is: 88,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,720.44 : 158,297.10 = 64,409.72 : x
  2. Step 2: Convert to fraction form
    114,720.44/158,297.10 = 64,409.72/x
  3. Step 3: Cross multiply
    114,720.44x = 158,297.10 × 64,409.72
  4. Step 4: Simplify right side
    114,720.44x = 10,195,871,887.81
  5. Step 5: Solve for x
    x = 10,195,871,887.81/114,720.44
  6. Step 6: Final answer
    x = 88,875.81

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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.