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Finding the Fourth Proportional to 172,903.69, 238,650.83 and 97,495.93

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Solution

The fourth proportional to 172,903.69, 238,650.83 and 97,495.93 is: 134,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,903.69 : 238,650.83 = 97,495.93 : x
  2. Step 2: Convert to fraction form
    172,903.69/238,650.83 = 97,495.93/x
  3. Step 3: Cross multiply
    172,903.69x = 238,650.83 × 97,495.93
  4. Step 4: Simplify right side
    172,903.69x = 23,267,484,263.23
  5. Step 5: Solve for x
    x = 23,267,484,263.23/172,903.69
  6. Step 6: Final answer
    x = 134,569.05

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1.5x scale

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.