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Finding the Fourth Proportional to 248,149.10, 372,223.65 and 153,670.70

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Solution

The fourth proportional to 248,149.10, 372,223.65 and 153,670.70 is: 230,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,149.10 : 372,223.65 = 153,670.70 : x
  2. Step 2: Convert to fraction form
    248,149.10/372,223.65 = 153,670.70/x
  3. Step 3: Cross multiply
    248,149.10x = 372,223.65 × 153,670.70
  4. Step 4: Simplify right side
    248,149.10x = 57,199,868,852.06
  5. Step 5: Solve for x
    x = 57,199,868,852.06/248,149.10
  6. Step 6: Final answer
    x = 230,506.05

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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.