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Finding the Fourth Proportional to 239,065.66, 358,663.98 and 70,585.93

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Solution

The fourth proportional to 239,065.66, 358,663.98 and 70,585.93 is: 105,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,065.66 : 358,663.98 = 70,585.93 : x
  2. Step 2: Convert to fraction form
    239,065.66/358,663.98 = 70,585.93/x
  3. Step 3: Cross multiply
    239,065.66x = 358,663.98 × 70,585.93
  4. Step 4: Simplify right side
    239,065.66x = 25,316,630,585.80
  5. Step 5: Solve for x
    x = 25,316,630,585.80/239,065.66
  6. Step 6: Final answer
    x = 105,898.23

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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.