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Finding the Fourth Proportional to 73,376,139.60, 110,064,209.40 and 30,223,130.40

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Solution

The fourth proportional to 73,376,139.60, 110,064,209.40 and 30,223,130.40 is: 45,334,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,376,139.60 : 110,064,209.40 = 30,223,130.40 : x
  2. Step 2: Convert to fraction form
    73,376,139.60/110,064,209.40 = 30,223,130.40/x
  3. Step 3: Cross multiply
    73,376,139.60x = 110,064,209.40 × 30,223,130.40
  4. Step 4: Simplify right side
    73,376,139.60x = 3,326,484,953,069,106
  5. Step 5: Solve for x
    x = 3,326,484,953,069,106/73,376,139.60
  6. Step 6: Final answer
    x = 45,334,695.60

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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.