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Finding the Fourth Proportional to 186,465.60, 279,698.40 and 53,353.80

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Solution

The fourth proportional to 186,465.60, 279,698.40 and 53,353.80 is: 80,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,465.60 : 279,698.40 = 53,353.80 : x
  2. Step 2: Convert to fraction form
    186,465.60/279,698.40 = 53,353.80/x
  3. Step 3: Cross multiply
    186,465.60x = 279,698.40 × 53,353.80
  4. Step 4: Simplify right side
    186,465.60x = 14,922,972,493.92
  5. Step 5: Solve for x
    x = 14,922,972,493.92/186,465.60
  6. Step 6: Final answer
    x = 80,030.70

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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.