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Finding the Fourth Proportional to 115,999.76, 174,068.76 and 42,133.52

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Solution

The fourth proportional to 115,999.76, 174,068.76 and 42,133.52 is: 63,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.76 : 174,068.76 = 42,133.52 : x
  2. Step 2: Convert to fraction form
    115,999.76/174,068.76 = 42,133.52/x
  3. Step 3: Cross multiply
    115,999.76x = 174,068.76 × 42,133.52
  4. Step 4: Simplify right side
    115,999.76x = 7,334,129,580.84
  5. Step 5: Solve for x
    x = 7,334,129,580.84/115,999.76
  6. Step 6: Final answer
    x = 63,225.39

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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.