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Finding the Fourth Proportional to 207,032.21, 310,548.45 and 64,888.58

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Solution

The fourth proportional to 207,032.21, 310,548.45 and 64,888.58 is: 97,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,032.21 : 310,548.45 = 64,888.58 : x
  2. Step 2: Convert to fraction form
    207,032.21/310,548.45 = 64,888.58/x
  3. Step 3: Cross multiply
    207,032.21x = 310,548.45 × 64,888.58
  4. Step 4: Simplify right side
    207,032.21x = 20,151,046,388.96
  5. Step 5: Solve for x
    x = 20,151,046,388.96/207,032.21
  6. Step 6: Final answer
    x = 97,332.90

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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.