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Finding the Fourth Proportional to 124,804.50, 187,206.75 and 41,698.50

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Solution

The fourth proportional to 124,804.50, 187,206.75 and 41,698.50 is: 62,547.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,804.50 : 187,206.75 = 41,698.50 : x
  2. Step 2: Convert to fraction form
    124,804.50/187,206.75 = 41,698.50/x
  3. Step 3: Cross multiply
    124,804.50x = 187,206.75 × 41,698.50
  4. Step 4: Simplify right side
    124,804.50x = 7,806,240,664.88
  5. Step 5: Solve for x
    x = 7,806,240,664.88/124,804.50
  6. Step 6: Final answer
    x = 62,547.75

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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.