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Finding the Fourth Proportional to 187,955.51, 282,173.82 and 161,470.94

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Solution

The fourth proportional to 187,955.51, 282,173.82 and 161,470.94 is: 242,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.51 : 282,173.82 = 161,470.94 : x
  2. Step 2: Convert to fraction form
    187,955.51/282,173.82 = 161,470.94/x
  3. Step 3: Cross multiply
    187,955.51x = 282,173.82 × 161,470.94
  4. Step 4: Simplify right side
    187,955.51x = 45,562,870,547.92
  5. Step 5: Solve for x
    x = 45,562,870,547.92/187,955.51
  6. Step 6: Final answer
    x = 242,413.07

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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.