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Finding the Fourth Proportional to 176,171.94, 243,060.74 and 98,636.16

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Solution

The fourth proportional to 176,171.94, 243,060.74 and 98,636.16 is: 136,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,171.94 : 243,060.74 = 98,636.16 : x
  2. Step 2: Convert to fraction form
    176,171.94/243,060.74 = 98,636.16/x
  3. Step 3: Cross multiply
    176,171.94x = 243,060.74 × 98,636.16
  4. Step 4: Simplify right side
    176,171.94x = 23,974,578,040.36
  5. Step 5: Solve for x
    x = 23,974,578,040.36/176,171.94
  6. Step 6: Final answer
    x = 136,086.25

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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.