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Finding the Fourth Proportional to 118,522.61, 177,784.08 and 48,401.93

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Solution

The fourth proportional to 118,522.61, 177,784.08 and 48,401.93 is: 72,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,522.61 : 177,784.08 = 48,401.93 : x
  2. Step 2: Convert to fraction form
    118,522.61/177,784.08 = 48,401.93/x
  3. Step 3: Cross multiply
    118,522.61x = 177,784.08 × 48,401.93
  4. Step 4: Simplify right side
    118,522.61x = 8,605,091,706.35
  5. Step 5: Solve for x
    x = 8,605,091,706.35/118,522.61
  6. Step 6: Final answer
    x = 72,602.96

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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.