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Finding the Fourth Proportional to 117,670.16, 176,510.64 and 57,752.84

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Solution

The fourth proportional to 117,670.16, 176,510.64 and 57,752.84 is: 86,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,670.16 : 176,510.64 = 57,752.84 : x
  2. Step 2: Convert to fraction form
    117,670.16/176,510.64 = 57,752.84/x
  3. Step 3: Cross multiply
    117,670.16x = 176,510.64 × 57,752.84
  4. Step 4: Simplify right side
    117,670.16x = 10,193,990,750.22
  5. Step 5: Solve for x
    x = 10,193,990,750.22/117,670.16
  6. Step 6: Final answer
    x = 86,631.91

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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.