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Finding the Fourth Proportional to 186,989.60, 280,477.20 and 62,330.60

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Solution

The fourth proportional to 186,989.60, 280,477.20 and 62,330.60 is: 93,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989.60 : 280,477.20 = 62,330.60 : x
  2. Step 2: Convert to fraction form
    186,989.60/280,477.20 = 62,330.60/x
  3. Step 3: Cross multiply
    186,989.60x = 280,477.20 × 62,330.60
  4. Step 4: Simplify right side
    186,989.60x = 17,482,312,162.32
  5. Step 5: Solve for x
    x = 17,482,312,162.32/186,989.60
  6. Step 6: Final answer
    x = 93,493.50

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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.