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Finding the Fourth Proportional to 266,668.59, 368,095.32 and 153,536.43

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Solution

The fourth proportional to 266,668.59, 368,095.32 and 153,536.43 is: 211,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,668.59 : 368,095.32 = 153,536.43 : x
  2. Step 2: Convert to fraction form
    266,668.59/368,095.32 = 153,536.43/x
  3. Step 3: Cross multiply
    266,668.59x = 368,095.32 × 153,536.43
  4. Step 4: Simplify right side
    266,668.59x = 56,516,041,332.51
  5. Step 5: Solve for x
    x = 56,516,041,332.51/266,668.59
  6. Step 6: Final answer
    x = 211,933.63

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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.