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Finding the Fourth Proportional to 127,232.40, 190,848.60 and 114,547.80

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Solution

The fourth proportional to 127,232.40, 190,848.60 and 114,547.80 is: 171,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.40 : 190,848.60 = 114,547.80 : x
  2. Step 2: Convert to fraction form
    127,232.40/190,848.60 = 114,547.80/x
  3. Step 3: Cross multiply
    127,232.40x = 190,848.60 × 114,547.80
  4. Step 4: Simplify right side
    127,232.40x = 21,861,287,263.08
  5. Step 5: Solve for x
    x = 21,861,287,263.08/127,232.40
  6. Step 6: Final answer
    x = 171,821.70

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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.