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Finding the Fourth Proportional to 106,803.68, 147,390.72 and 59,056.16

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Solution

The fourth proportional to 106,803.68, 147,390.72 and 59,056.16 is: 81,498.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,803.68 : 147,390.72 = 59,056.16 : x
  2. Step 2: Convert to fraction form
    106,803.68/147,390.72 = 59,056.16/x
  3. Step 3: Cross multiply
    106,803.68x = 147,390.72 × 59,056.16
  4. Step 4: Simplify right side
    106,803.68x = 8,704,329,942.84
  5. Step 5: Solve for x
    x = 8,704,329,942.84/106,803.68
  6. Step 6: Final answer
    x = 81,498.41

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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.