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Finding the Fourth Proportional to 70,026.64, 104,457.23 and 63,300.40

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Solution

The fourth proportional to 70,026.64, 104,457.23 and 63,300.40 is: 94,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,026.64 : 104,457.23 = 63,300.40 : x
  2. Step 2: Convert to fraction form
    70,026.64/104,457.23 = 63,300.40/x
  3. Step 3: Cross multiply
    70,026.64x = 104,457.23 × 63,300.40
  4. Step 4: Simplify right side
    70,026.64x = 6,612,184,441.89
  5. Step 5: Solve for x
    x = 6,612,184,441.89/70,026.64
  6. Step 6: Final answer
    x = 94,423.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.