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Finding the Fourth Proportional to 187,392.89, 258,598.95 and 114,784.49

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Solution

The fourth proportional to 187,392.89, 258,598.95 and 114,784.49 is: 158,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,392.89 : 258,598.95 = 114,784.49 : x
  2. Step 2: Convert to fraction form
    187,392.89/258,598.95 = 114,784.49/x
  3. Step 3: Cross multiply
    187,392.89x = 258,598.95 × 114,784.49
  4. Step 4: Simplify right side
    187,392.89x = 29,683,148,806.34
  5. Step 5: Solve for x
    x = 29,683,148,806.34/187,392.89
  6. Step 6: Final answer
    x = 158,400.61

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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.