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Finding the Fourth Proportional to 242,381.28, 334,476.36 and 134,948.28

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Solution

The fourth proportional to 242,381.28, 334,476.36 and 134,948.28 is: 186,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,381.28 : 334,476.36 = 134,948.28 : x
  2. Step 2: Convert to fraction form
    242,381.28/334,476.36 = 134,948.28/x
  3. Step 3: Cross multiply
    242,381.28x = 334,476.36 × 134,948.28
  4. Step 4: Simplify right side
    242,381.28x = 45,137,009,482.66
  5. Step 5: Solve for x
    x = 45,137,009,482.66/242,381.28
  6. Step 6: Final answer
    x = 186,223.17

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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.