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Finding the Fourth Proportional to 186,095.68, 256,870.58 and 105,576.72

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Solution

The fourth proportional to 186,095.68, 256,870.58 and 105,576.72 is: 145,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,095.68 : 256,870.58 = 105,576.72 : x
  2. Step 2: Convert to fraction form
    186,095.68/256,870.58 = 105,576.72/x
  3. Step 3: Cross multiply
    186,095.68x = 256,870.58 × 105,576.72
  4. Step 4: Simplify right side
    186,095.68x = 27,119,553,300.90
  5. Step 5: Solve for x
    x = 27,119,553,300.90/186,095.68
  6. Step 6: Final answer
    x = 145,729.09

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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.