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Finding the Fourth Proportional to 145,071.58, 200,147.44 and 94,799.74

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Solution

The fourth proportional to 145,071.58, 200,147.44 and 94,799.74 is: 130,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,071.58 : 200,147.44 = 94,799.74 : x
  2. Step 2: Convert to fraction form
    145,071.58/200,147.44 = 94,799.74/x
  3. Step 3: Cross multiply
    145,071.58x = 200,147.44 × 94,799.74
  4. Step 4: Simplify right side
    145,071.58x = 18,973,925,273.67
  5. Step 5: Solve for x
    x = 18,973,925,273.67/145,071.58
  6. Step 6: Final answer
    x = 130,790.09

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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.