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Finding the Fourth Proportional to 186,528.96, 279,559.32 and 146,929.68

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Solution

The fourth proportional to 186,528.96, 279,559.32 and 146,929.68 is: 220,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528.96 : 279,559.32 = 146,929.68 : x
  2. Step 2: Convert to fraction form
    186,528.96/279,559.32 = 146,929.68/x
  3. Step 3: Cross multiply
    186,528.96x = 279,559.32 × 146,929.68
  4. Step 4: Simplify right side
    186,528.96x = 41,075,561,428.62
  5. Step 5: Solve for x
    x = 41,075,561,428.62/186,528.96
  6. Step 6: Final answer
    x = 220,210.10

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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.