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Finding the Fourth Proportional to 88,307.84, 121,871.64 and 50,582.84

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Solution

The fourth proportional to 88,307.84, 121,871.64 and 50,582.84 is: 69,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,307.84 : 121,871.64 = 50,582.84 : x
  2. Step 2: Convert to fraction form
    88,307.84/121,871.64 = 50,582.84/x
  3. Step 3: Cross multiply
    88,307.84x = 121,871.64 × 50,582.84
  4. Step 4: Simplify right side
    88,307.84x = 6,164,613,666.66
  5. Step 5: Solve for x
    x = 6,164,613,666.66/88,307.84
  6. Step 6: Final answer
    x = 69,808.23

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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.