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Finding the Fourth Proportional to 229,953.70, 317,374.05 and 134,442.10

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Solution

The fourth proportional to 229,953.70, 317,374.05 and 134,442.10 is: 185,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,953.70 : 317,374.05 = 134,442.10 : x
  2. Step 2: Convert to fraction form
    229,953.70/317,374.05 = 134,442.10/x
  3. Step 3: Cross multiply
    229,953.70x = 317,374.05 × 134,442.10
  4. Step 4: Simplify right side
    229,953.70x = 42,668,433,767.51
  5. Step 5: Solve for x
    x = 42,668,433,767.51/229,953.70
  6. Step 6: Final answer
    x = 185,552.28

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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.