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Finding the Fourth Proportional to 153,603.60, 230,412.60 and 48,430.68

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Solution

The fourth proportional to 153,603.60, 230,412.60 and 48,430.68 is: 72,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,603.60 : 230,412.60 = 48,430.68 : x
  2. Step 2: Convert to fraction form
    153,603.60/230,412.60 = 48,430.68/x
  3. Step 3: Cross multiply
    153,603.60x = 230,412.60 × 48,430.68
  4. Step 4: Simplify right side
    153,603.60x = 11,159,038,898.57
  5. Step 5: Solve for x
    x = 11,159,038,898.57/153,603.60
  6. Step 6: Final answer
    x = 72,648.29

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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.