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Finding the Fourth Proportional to 173,345.18, 259,805.10 and 98,528

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Solution

The fourth proportional to 173,345.18, 259,805.10 and 98,528 is: 147,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,345.18 : 259,805.10 = 98,528 : x
  2. Step 2: Convert to fraction form
    173,345.18/259,805.10 = 98,528/x
  3. Step 3: Cross multiply
    173,345.18x = 259,805.10 × 98,528
  4. Step 4: Simplify right side
    173,345.18x = 25,598,076,892.80
  5. Step 5: Solve for x
    x = 25,598,076,892.80/173,345.18
  6. Step 6: Final answer
    x = 147,671.12

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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.