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Finding the Fourth Proportional to 153,627.32, 230,482.79 and 47,008.91

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Solution

The fourth proportional to 153,627.32, 230,482.79 and 47,008.91 is: 70,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,627.32 : 230,482.79 = 47,008.91 : x
  2. Step 2: Convert to fraction form
    153,627.32/230,482.79 = 47,008.91/x
  3. Step 3: Cross multiply
    153,627.32x = 230,482.79 × 47,008.91
  4. Step 4: Simplify right side
    153,627.32x = 10,834,743,344.20
  5. Step 5: Solve for x
    x = 10,834,743,344.20/153,627.32
  6. Step 6: Final answer
    x = 70,526.15

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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.