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Finding the Fourth Proportional to 102,210.30, 153,254.70 and 62,795.70

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Solution

The fourth proportional to 102,210.30, 153,254.70 and 62,795.70 is: 94,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,210.30 : 153,254.70 = 62,795.70 : x
  2. Step 2: Convert to fraction form
    102,210.30/153,254.70 = 62,795.70/x
  3. Step 3: Cross multiply
    102,210.30x = 153,254.70 × 62,795.70
  4. Step 4: Simplify right side
    102,210.30x = 9,623,736,164.79
  5. Step 5: Solve for x
    x = 9,623,736,164.79/102,210.30
  6. Step 6: Final answer
    x = 94,156.23

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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.