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Finding the Fourth Proportional to 370,335.42, 555,705.36 and 157,070.16

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Solution

The fourth proportional to 370,335.42, 555,705.36 and 157,070.16 is: 235,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,335.42 : 555,705.36 = 157,070.16 : x
  2. Step 2: Convert to fraction form
    370,335.42/555,705.36 = 157,070.16/x
  3. Step 3: Cross multiply
    370,335.42x = 555,705.36 × 157,070.16
  4. Step 4: Simplify right side
    370,335.42x = 87,284,729,808.06
  5. Step 5: Solve for x
    x = 87,284,729,808.06/370,335.42
  6. Step 6: Final answer
    x = 235,691.01

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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.