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Finding the Fourth Proportional to 186,005.25, 279,008.01 and 61,346.25

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Solution

The fourth proportional to 186,005.25, 279,008.01 and 61,346.25 is: 92,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,005.25 : 279,008.01 = 61,346.25 : x
  2. Step 2: Convert to fraction form
    186,005.25/279,008.01 = 61,346.25/x
  3. Step 3: Cross multiply
    186,005.25x = 279,008.01 × 61,346.25
  4. Step 4: Simplify right side
    186,005.25x = 17,116,095,133.46
  5. Step 5: Solve for x
    x = 17,116,095,133.46/186,005.25
  6. Step 6: Final answer
    x = 92,019.42

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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.