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Finding the Fourth Proportional to 245,139.94, 337,802.16 and 177,036.76

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Solution

The fourth proportional to 245,139.94, 337,802.16 and 177,036.76 is: 243,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,139.94 : 337,802.16 = 177,036.76 : x
  2. Step 2: Convert to fraction form
    245,139.94/337,802.16 = 177,036.76/x
  3. Step 3: Cross multiply
    245,139.94x = 337,802.16 × 177,036.76
  4. Step 4: Simplify right side
    245,139.94x = 59,803,399,927.40
  5. Step 5: Solve for x
    x = 59,803,399,927.40/245,139.94
  6. Step 6: Final answer
    x = 243,956.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.