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Finding the Fourth Proportional to 144,412.58, 216,526.58 and 69,383.46

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Solution

The fourth proportional to 144,412.58, 216,526.58 and 69,383.46 is: 104,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,412.58 : 216,526.58 = 69,383.46 : x
  2. Step 2: Convert to fraction form
    144,412.58/216,526.58 = 69,383.46/x
  3. Step 3: Cross multiply
    144,412.58x = 216,526.58 × 69,383.46
  4. Step 4: Simplify right side
    144,412.58x = 15,023,363,302.37
  5. Step 5: Solve for x
    x = 15,023,363,302.37/144,412.58
  6. Step 6: Final answer
    x = 104,030.85

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1.5x scale

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.