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Finding the Fourth Proportional to 124,188.96, 171,384.96 and 70,476.48

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Solution

The fourth proportional to 124,188.96, 171,384.96 and 70,476.48 is: 97,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,188.96 : 171,384.96 = 70,476.48 : x
  2. Step 2: Convert to fraction form
    124,188.96/171,384.96 = 70,476.48/x
  3. Step 3: Cross multiply
    124,188.96x = 171,384.96 × 70,476.48
  4. Step 4: Simplify right side
    124,188.96x = 12,078,608,705.74
  5. Step 5: Solve for x
    x = 12,078,608,705.74/124,188.96
  6. Step 6: Final answer
    x = 97,259.92

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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.