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Finding the Fourth Proportional to 210,336, 315,506.16 and 62,592

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Solution

The fourth proportional to 210,336, 315,506.16 and 62,592 is: 93,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,336 : 315,506.16 = 62,592 : x
  2. Step 2: Convert to fraction form
    210,336/315,506.16 = 62,592/x
  3. Step 3: Cross multiply
    210,336x = 315,506.16 × 62,592
  4. Step 4: Simplify right side
    210,336x = 19,748,161,566.72
  5. Step 5: Solve for x
    x = 19,748,161,566.72/210,336
  6. Step 6: Final answer
    x = 93,888.64

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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.