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Finding the Fourth Proportional to 242,012.16, 333,927.84 and 141,390.72

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Solution

The fourth proportional to 242,012.16, 333,927.84 and 141,390.72 is: 195,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,012.16 : 333,927.84 = 141,390.72 : x
  2. Step 2: Convert to fraction form
    242,012.16/333,927.84 = 141,390.72/x
  3. Step 3: Cross multiply
    242,012.16x = 333,927.84 × 141,390.72
  4. Step 4: Simplify right side
    242,012.16x = 47,214,297,725.64
  5. Step 5: Solve for x
    x = 47,214,297,725.64/242,012.16
  6. Step 6: Final answer
    x = 195,090.60

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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.