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Finding the Fourth Proportional to 560,852, 841,279.80 and 140,127.92

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Solution

The fourth proportional to 560,852, 841,279.80 and 140,127.92 is: 210,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,852 : 841,279.80 = 140,127.92 : x
  2. Step 2: Convert to fraction form
    560,852/841,279.80 = 140,127.92/x
  3. Step 3: Cross multiply
    560,852x = 841,279.80 × 140,127.92
  4. Step 4: Simplify right side
    560,852x = 117,886,788,512.02
  5. Step 5: Solve for x
    x = 117,886,788,512.02/560,852
  6. Step 6: Final answer
    x = 210,192.33

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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.