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Finding the Fourth Proportional to 242,380.84, 334,484.80 and 134,948.08

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Solution

The fourth proportional to 242,380.84, 334,484.80 and 134,948.08 is: 186,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,380.84 : 334,484.80 = 134,948.08 : x
  2. Step 2: Convert to fraction form
    242,380.84/334,484.80 = 134,948.08/x
  3. Step 3: Cross multiply
    242,380.84x = 334,484.80 × 134,948.08
  4. Step 4: Simplify right side
    242,380.84x = 45,138,081,549.18
  5. Step 5: Solve for x
    x = 45,138,081,549.18/242,380.84
  6. Step 6: Final answer
    x = 186,227.93

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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.