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Finding the Fourth Proportional to 188,804.01, 260,550.62 and 102,762.79

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Solution

The fourth proportional to 188,804.01, 260,550.62 and 102,762.79 is: 141,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,804.01 : 260,550.62 = 102,762.79 : x
  2. Step 2: Convert to fraction form
    188,804.01/260,550.62 = 102,762.79/x
  3. Step 3: Cross multiply
    188,804.01x = 260,550.62 × 102,762.79
  4. Step 4: Simplify right side
    188,804.01x = 26,774,909,911.24
  5. Step 5: Solve for x
    x = 26,774,909,911.24/188,804.01
  6. Step 6: Final answer
    x = 141,813.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.