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Finding the Fourth Proportional to 395,055.60, 592,364.70 and 158,130.60

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Solution

The fourth proportional to 395,055.60, 592,364.70 and 158,130.60 is: 237,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,055.60 : 592,364.70 = 158,130.60 : x
  2. Step 2: Convert to fraction form
    395,055.60/592,364.70 = 158,130.60/x
  3. Step 3: Cross multiply
    395,055.60x = 592,364.70 × 158,130.60
  4. Step 4: Simplify right side
    395,055.60x = 93,670,985,429.82
  5. Step 5: Solve for x
    x = 93,670,985,429.82/395,055.60
  6. Step 6: Final answer
    x = 237,108.36

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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.