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Finding the Fourth Proportional to 292,127.01, 438,190.50 and 70,511.01

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Solution

The fourth proportional to 292,127.01, 438,190.50 and 70,511.01 is: 105,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,127.01 : 438,190.50 = 70,511.01 : x
  2. Step 2: Convert to fraction form
    292,127.01/438,190.50 = 70,511.01/x
  3. Step 3: Cross multiply
    292,127.01x = 438,190.50 × 70,511.01
  4. Step 4: Simplify right side
    292,127.01x = 30,897,254,727.41
  5. Step 5: Solve for x
    x = 30,897,254,727.41/292,127.01
  6. Step 6: Final answer
    x = 105,766.51

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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.