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Finding the Fourth Proportional to 94,573.40, 141,860.10 and 28,023.80

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Solution

The fourth proportional to 94,573.40, 141,860.10 and 28,023.80 is: 42,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,573.40 : 141,860.10 = 28,023.80 : x
  2. Step 2: Convert to fraction form
    94,573.40/141,860.10 = 28,023.80/x
  3. Step 3: Cross multiply
    94,573.40x = 141,860.10 × 28,023.80
  4. Step 4: Simplify right side
    94,573.40x = 3,975,459,070.38
  5. Step 5: Solve for x
    x = 3,975,459,070.38/94,573.40
  6. Step 6: Final answer
    x = 42,035.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.