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Finding the Fourth Proportional to 186,970.80, 280,457.80 and 62,311.80

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Solution

The fourth proportional to 186,970.80, 280,457.80 and 62,311.80 is: 93,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,970.80 : 280,457.80 = 62,311.80 : x
  2. Step 2: Convert to fraction form
    186,970.80/280,457.80 = 62,311.80/x
  3. Step 3: Cross multiply
    186,970.80x = 280,457.80 × 62,311.80
  4. Step 4: Simplify right side
    186,970.80x = 17,475,830,342.04
  5. Step 5: Solve for x
    x = 17,475,830,342.04/186,970.80
  6. Step 6: Final answer
    x = 93,468.23

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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.