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Finding the Fourth Proportional to 109,055.16, 150,494.64 and 60,656.63

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Solution

The fourth proportional to 109,055.16, 150,494.64 and 60,656.63 is: 83,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.16 : 150,494.64 = 60,656.63 : x
  2. Step 2: Convert to fraction form
    109,055.16/150,494.64 = 60,656.63/x
  3. Step 3: Cross multiply
    109,055.16x = 150,494.64 × 60,656.63
  4. Step 4: Simplify right side
    109,055.16x = 9,128,496,715.53
  5. Step 5: Solve for x
    x = 9,128,496,715.53/109,055.16
  6. Step 6: Final answer
    x = 83,705.32

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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.