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Finding the Fourth Proportional to 186,970.40, 279,872.40 and 134,482.40

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Solution

The fourth proportional to 186,970.40, 279,872.40 and 134,482.40 is: 201,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,970.40 : 279,872.40 = 134,482.40 : x
  2. Step 2: Convert to fraction form
    186,970.40/279,872.40 = 134,482.40/x
  3. Step 3: Cross multiply
    186,970.40x = 279,872.40 × 134,482.40
  4. Step 4: Simplify right side
    186,970.40x = 37,637,912,045.76
  5. Step 5: Solve for x
    x = 37,637,912,045.76/186,970.40
  6. Step 6: Final answer
    x = 201,304.12

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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.