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Finding the Fourth Proportional to 248,897.40, 372,935.70 and 143,532.60

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Solution

The fourth proportional to 248,897.40, 372,935.70 and 143,532.60 is: 215,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,897.40 : 372,935.70 = 143,532.60 : x
  2. Step 2: Convert to fraction form
    248,897.40/372,935.70 = 143,532.60/x
  3. Step 3: Cross multiply
    248,897.40x = 372,935.70 × 143,532.60
  4. Step 4: Simplify right side
    248,897.40x = 53,528,430,653.82
  5. Step 5: Solve for x
    x = 53,528,430,653.82/248,897.40
  6. Step 6: Final answer
    x = 215,062.23

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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.