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Finding the Fourth Proportional to 242,955.76, 364,538.89 and 130,504.77

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Solution

The fourth proportional to 242,955.76, 364,538.89 and 130,504.77 is: 195,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,955.76 : 364,538.89 = 130,504.77 : x
  2. Step 2: Convert to fraction form
    242,955.76/364,538.89 = 130,504.77/x
  3. Step 3: Cross multiply
    242,955.76x = 364,538.89 × 130,504.77
  4. Step 4: Simplify right side
    242,955.76x = 47,574,065,525.66
  5. Step 5: Solve for x
    x = 47,574,065,525.66/242,955.76
  6. Step 6: Final answer
    x = 195,813.70

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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.