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Finding the Fourth Proportional to 105,191.16, 157,794.99 and 35,070.47

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Solution

The fourth proportional to 105,191.16, 157,794.99 and 35,070.47 is: 52,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191.16 : 157,794.99 = 35,070.47 : x
  2. Step 2: Convert to fraction form
    105,191.16/157,794.99 = 35,070.47/x
  3. Step 3: Cross multiply
    105,191.16x = 157,794.99 × 35,070.47
  4. Step 4: Simplify right side
    105,191.16x = 5,533,944,134.19
  5. Step 5: Solve for x
    x = 5,533,944,134.19/105,191.16
  6. Step 6: Final answer
    x = 52,608.45

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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.