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Finding the Fourth Proportional to 219,315.02, 302,655.72 and 118,713.02

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Solution

The fourth proportional to 219,315.02, 302,655.72 and 118,713.02 is: 163,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,315.02 : 302,655.72 = 118,713.02 : x
  2. Step 2: Convert to fraction form
    219,315.02/302,655.72 = 118,713.02/x
  3. Step 3: Cross multiply
    219,315.02x = 302,655.72 × 118,713.02
  4. Step 4: Simplify right side
    219,315.02x = 35,929,174,541.47
  5. Step 5: Solve for x
    x = 35,929,174,541.47/219,315.02
  6. Step 6: Final answer
    x = 163,824.50

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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.