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Finding the Fourth Proportional to 145,612.59, 201,007.37 and 97,893.62

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Solution

The fourth proportional to 145,612.59, 201,007.37 and 97,893.62 is: 135,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,612.59 : 201,007.37 = 97,893.62 : x
  2. Step 2: Convert to fraction form
    145,612.59/201,007.37 = 97,893.62/x
  3. Step 3: Cross multiply
    145,612.59x = 201,007.37 × 97,893.62
  4. Step 4: Simplify right side
    145,612.59x = 19,677,339,095.98
  5. Step 5: Solve for x
    x = 19,677,339,095.98/145,612.59
  6. Step 6: Final answer
    x = 135,134.87

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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.