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Finding the Fourth Proportional to 186,673.55, 280,009.78 and 46,432.17

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Solution

The fourth proportional to 186,673.55, 280,009.78 and 46,432.17 is: 69,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,673.55 : 280,009.78 = 46,432.17 : x
  2. Step 2: Convert to fraction form
    186,673.55/280,009.78 = 46,432.17/x
  3. Step 3: Cross multiply
    186,673.55x = 280,009.78 × 46,432.17
  4. Step 4: Simplify right side
    186,673.55x = 13,001,461,706.62
  5. Step 5: Solve for x
    x = 13,001,461,706.62/186,673.55
  6. Step 6: Final answer
    x = 69,648.12

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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.