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Finding the Fourth Proportional to 192,507.80, 288,802.89 and 57,582.45

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Solution

The fourth proportional to 192,507.80, 288,802.89 and 57,582.45 is: 86,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,507.80 : 288,802.89 = 57,582.45 : x
  2. Step 2: Convert to fraction form
    192,507.80/288,802.89 = 57,582.45/x
  3. Step 3: Cross multiply
    192,507.80x = 288,802.89 × 57,582.45
  4. Step 4: Simplify right side
    192,507.80x = 16,629,977,973.28
  5. Step 5: Solve for x
    x = 16,629,977,973.28/192,507.80
  6. Step 6: Final answer
    x = 86,386.00

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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.