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Finding the Fourth Proportional to 153,527.40, 230,291.10 and 127,283.40

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Solution

The fourth proportional to 153,527.40, 230,291.10 and 127,283.40 is: 190,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,527.40 : 230,291.10 = 127,283.40 : x
  2. Step 2: Convert to fraction form
    153,527.40/230,291.10 = 127,283.40/x
  3. Step 3: Cross multiply
    153,527.40x = 230,291.10 × 127,283.40
  4. Step 4: Simplify right side
    153,527.40x = 29,312,234,197.74
  5. Step 5: Solve for x
    x = 29,312,234,197.74/153,527.40
  6. Step 6: Final answer
    x = 190,925.10

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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.