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Finding the Fourth Proportional to 228,066.90, 342,100.35 and 153,417.30

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Solution

The fourth proportional to 228,066.90, 342,100.35 and 153,417.30 is: 230,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,066.90 : 342,100.35 = 153,417.30 : x
  2. Step 2: Convert to fraction form
    228,066.90/342,100.35 = 153,417.30/x
  3. Step 3: Cross multiply
    228,066.90x = 342,100.35 × 153,417.30
  4. Step 4: Simplify right side
    228,066.90x = 52,484,112,026.06
  5. Step 5: Solve for x
    x = 52,484,112,026.06/228,066.90
  6. Step 6: Final answer
    x = 230,125.95

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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.