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Finding the Fourth Proportional to 186,009.40, 279,010.44 and 61,350.40

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Solution

The fourth proportional to 186,009.40, 279,010.44 and 61,350.40 is: 92,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,009.40 : 279,010.44 = 61,350.40 : x
  2. Step 2: Convert to fraction form
    186,009.40/279,010.44 = 61,350.40/x
  3. Step 3: Cross multiply
    186,009.40x = 279,010.44 × 61,350.40
  4. Step 4: Simplify right side
    186,009.40x = 17,117,402,098.18
  5. Step 5: Solve for x
    x = 17,117,402,098.18/186,009.40
  6. Step 6: Final answer
    x = 92,024.39

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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.