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Finding the Fourth Proportional to 473,127.93, 709,688.25 and 118,139.58

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Solution

The fourth proportional to 473,127.93, 709,688.25 and 118,139.58 is: 177,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,127.93 : 709,688.25 = 118,139.58 : x
  2. Step 2: Convert to fraction form
    473,127.93/709,688.25 = 118,139.58/x
  3. Step 3: Cross multiply
    473,127.93x = 709,688.25 × 118,139.58
  4. Step 4: Simplify right side
    473,127.93x = 83,842,271,785.94
  5. Step 5: Solve for x
    x = 83,842,271,785.94/473,127.93
  6. Step 6: Final answer
    x = 177,208.46

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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.