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Finding the Fourth Proportional to 153,009.60, 229,514.40 and 141,950.40

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Solution

The fourth proportional to 153,009.60, 229,514.40 and 141,950.40 is: 212,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009.60 : 229,514.40 = 141,950.40 : x
  2. Step 2: Convert to fraction form
    153,009.60/229,514.40 = 141,950.40/x
  3. Step 3: Cross multiply
    153,009.60x = 229,514.40 × 141,950.40
  4. Step 4: Simplify right side
    153,009.60x = 32,579,660,885.76
  5. Step 5: Solve for x
    x = 32,579,660,885.76/153,009.60
  6. Step 6: Final answer
    x = 212,925.60

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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.