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Finding the Fourth Proportional to 164,036.76, 245,156.28 and 119,756.76

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Solution

The fourth proportional to 164,036.76, 245,156.28 and 119,756.76 is: 178,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,036.76 : 245,156.28 = 119,756.76 : x
  2. Step 2: Convert to fraction form
    164,036.76/245,156.28 = 119,756.76/x
  3. Step 3: Cross multiply
    164,036.76x = 245,156.28 × 119,756.76
  4. Step 4: Simplify right side
    164,036.76x = 29,359,121,786.45
  5. Step 5: Solve for x
    x = 29,359,121,786.45/164,036.76
  6. Step 6: Final answer
    x = 178,978.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.