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Finding the Fourth Proportional to 219,586.40, 303,030.30 and 118,984.40

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Solution

The fourth proportional to 219,586.40, 303,030.30 and 118,984.40 is: 164,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,586.40 : 303,030.30 = 118,984.40 : x
  2. Step 2: Convert to fraction form
    219,586.40/303,030.30 = 118,984.40/x
  3. Step 3: Cross multiply
    219,586.40x = 303,030.30 × 118,984.40
  4. Step 4: Simplify right side
    219,586.40x = 36,055,878,427.32
  5. Step 5: Solve for x
    x = 36,055,878,427.32/219,586.40
  6. Step 6: Final answer
    x = 164,199.05

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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.