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Finding the Fourth Proportional to 150,547.59, 207,755.34 and 86,885.39

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Solution

The fourth proportional to 150,547.59, 207,755.34 and 86,885.39 is: 119,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,547.59 : 207,755.34 = 86,885.39 : x
  2. Step 2: Convert to fraction form
    150,547.59/207,755.34 = 86,885.39/x
  3. Step 3: Cross multiply
    150,547.59x = 207,755.34 × 86,885.39
  4. Step 4: Simplify right side
    150,547.59x = 18,050,903,740.48
  5. Step 5: Solve for x
    x = 18,050,903,740.48/150,547.59
  6. Step 6: Final answer
    x = 119,901.65

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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.