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Finding the Fourth Proportional to 169,810.48, 254,618.16 and 70,039.36

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Solution

The fourth proportional to 169,810.48, 254,618.16 and 70,039.36 is: 105,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,810.48 : 254,618.16 = 70,039.36 : x
  2. Step 2: Convert to fraction form
    169,810.48/254,618.16 = 70,039.36/x
  3. Step 3: Cross multiply
    169,810.48x = 254,618.16 × 70,039.36
  4. Step 4: Simplify right side
    169,810.48x = 17,833,292,970.78
  5. Step 5: Solve for x
    x = 17,833,292,970.78/169,810.48
  6. Step 6: Final answer
    x = 105,018.80

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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.