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Finding the Fourth Proportional to 192,130.60, 287,539.80 and 176,384.20

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Solution

The fourth proportional to 192,130.60, 287,539.80 and 176,384.20 is: 263,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,130.60 : 287,539.80 = 176,384.20 : x
  2. Step 2: Convert to fraction form
    192,130.60/287,539.80 = 176,384.20/x
  3. Step 3: Cross multiply
    192,130.60x = 287,539.80 × 176,384.20
  4. Step 4: Simplify right side
    192,130.60x = 50,717,477,591.16
  5. Step 5: Solve for x
    x = 50,717,477,591.16/192,130.60
  6. Step 6: Final answer
    x = 263,973.97

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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.