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Finding the Fourth Proportional to 125,762.63, 188,698.61 and 62,645.81

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Solution

The fourth proportional to 125,762.63, 188,698.61 and 62,645.81 is: 93,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,762.63 : 188,698.61 = 62,645.81 : x
  2. Step 2: Convert to fraction form
    125,762.63/188,698.61 = 62,645.81/x
  3. Step 3: Cross multiply
    125,762.63x = 188,698.61 × 62,645.81
  4. Step 4: Simplify right side
    125,762.63x = 11,821,176,482.45
  5. Step 5: Solve for x
    x = 11,821,176,482.45/125,762.63
  6. Step 6: Final answer
    x = 93,995.94

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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.